Finding the Fourth Proportional to 1,720,753.86, 2,578,805.74 and 655,214.66
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Solution
The fourth proportional to 1,720,753.86, 2,578,805.74 and 655,214.66 is: 981,936.68
Step by Step Solution
- Step 1: Write the proportion equation
1,720,753.86 : 2,578,805.74 = 655,214.66 : x - Step 2: Convert to fraction form
1,720,753.86/2,578,805.74 = 655,214.66/x - Step 3: Cross multiply
1,720,753.86x = 2,578,805.74 × 655,214.66 - Step 4: Simplify right side
1,720,753.86x = 1,689,671,326,140.15 - Step 5: Solve for x
x = 1,689,671,326,140.15/1,720,753.86 - Step 6: Final answer
x = 981,936.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.