Finding the Fourth Proportional to 1,227,873.86, 1,841,720.87 and 386,666.18
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Solution
The fourth proportional to 1,227,873.86, 1,841,720.87 and 386,666.18 is: 579,970.95
Step by Step Solution
- Step 1: Write the proportion equation
1,227,873.86 : 1,841,720.87 = 386,666.18 : x - Step 2: Convert to fraction form
1,227,873.86/1,841,720.87 = 386,666.18/x - Step 3: Cross multiply
1,227,873.86x = 1,841,720.87 × 386,666.18 - Step 4: Simplify right side
1,227,873.86x = 712,131,165,187.24 - Step 5: Solve for x
x = 712,131,165,187.24/1,227,873.86 - Step 6: Final answer
x = 579,970.95
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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.