| Charles Hutton - Mathematics - 1811
...third. As of the three quantities A (2), B (4), c (8), where -*- = -f = 2, both the same ratio. 19. Four **quantities are said to be Proportional, when the ratio of the first to** die second, is the same as the ratio of the third to the fourth. As of the four, A (2), B (4), c (5),... | |
| Charles Hutton - Mathematics - 1822 - 618 pages
...third. As of the three quantities A (2), B (4), c (8), where f =f =5, both the same ratio. 79. Four **quantities are said to be Proportional, when the ratio of the first to the second, is** the same as the ratio of the third to the fourth. As of the four, A (2), B (4), c (5), p (10), where... | |
| John Imison - Art - 1822
...is obtained by dividing the consequent by the antecedent. 54. Three magnitudes or quantities, A,B,C, **are said to be proportional, when the ratio of the first to the second is** the same as that of the second to the third. Thus, 2, 4, 8, are proportional, because 4> is contained... | |
| Beriah Stevens - Arithmetic - 1822 - 423 pages
...arising from the division of the wntecedent 1, by the consequent 2, viz. i. Four numbers are siiid **to be proportional when the ratio of the first to the second is** the same as that of the tliii'd to the fourth ; and the proportional numbers are usually distinguished... | |
| John Penrose (teacher of arithmetic.) - Arithmetic - 1824 - 322 pages
...the same or equal to the ratio of 9 to 12. Proportion consists of three terms at least. Three numbers **are said to be proportional, when the ratio of the first to the second, is** the same as- the ratio of the second to the fourth; as 2, 4,8, where -}=£=2, both the same ratio,... | |
| John Nicholson (civil engineer.) - Great Britain - 1825 - 795 pages
...obtained by dividing the consequent by the antecedent. 89. Three magnitudes or quantities, A, 11, (.', **are said to be proportional, when the ratio of the first to the second is** the same as that of the second to the third. Thus, 2, 4, 8, are proportional, because 4 is contained... | |
| James Hayward - Geometry - 1829 - 218 pages
...f = 1 ; that is, the ratio of 2 to 6 is equal to one third. 77. When four magnitudes are such that **the ratio of the first to the second, is equal to the ratio of the** third to the fourth, these four magnitudes are said to be in proportion. Proportion is equality of... | |
| John Nicholson (Civil engineer) - Building - 1830 - 238 pages
...obtained by dividing the consequent by the antecedent. 89. Three magnitudes or quantities, A, B, C, **are said to be proportional, when the ratio of the first to the second is** the same as that of the second to the third. Thus, 2, 4, 8, are proportional, because 4 is contained... | |
| Ira Wanzer - Arithmetic - 1831 - 396 pages
...Thus, 3 : 5, denotes the ratio of 3 to 5. Four quantities are said to be in geometrical proportion, **when the ratio of the first to the second is equal to the ratio of the** third to the fourth. Thus, the four numbers 8, 4, 14, 7, are proportional, because the ratio 8 : 4... | |
| 1835 - 398 pages
...(4), с (8), where two fourths are equal to four eighths, and one half, both the same ratio. 4. Four **quantities are said to be proportional, when the ratio of the first to the second is** the same as the ratio of the third to the fourth. As of the four, A (4), в (2), с (10), D (5), where... | |
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