Finding the Fourth Proportional to 1,917,691.68, 2,875,790.16 and 718,960.08
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Solution
The fourth proportional to 1,917,691.68, 2,875,790.16 and 718,960.08 is: 1,078,159.93
Step by Step Solution
- Step 1: Write the proportion equation
1,917,691.68 : 2,875,790.16 = 718,960.08 : x - Step 2: Convert to fraction form
1,917,691.68/2,875,790.16 = 718,960.08/x - Step 3: Cross multiply
1,917,691.68x = 2,875,790.16 × 718,960.08 - Step 4: Simplify right side
1,917,691.68x = 2,067,578,323,496.81 - Step 5: Solve for x
x = 2,067,578,323,496.81/1,917,691.68 - Step 6: Final answer
x = 1,078,159.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.