Finding the Fourth Proportional to 1,116,575.11, 1,540,869.37 and 607,285.99
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Solution
The fourth proportional to 1,116,575.11, 1,540,869.37 and 607,285.99 is: 838,052.34
Step by Step Solution
- Step 1: Write the proportion equation
1,116,575.11 : 1,540,869.37 = 607,285.99 : x - Step 2: Convert to fraction form
1,116,575.11/1,540,869.37 = 607,285.99/x - Step 3: Cross multiply
1,116,575.11x = 1,540,869.37 × 607,285.99 - Step 4: Simplify right side
1,116,575.11x = 935,748,380,821.13 - Step 5: Solve for x
x = 935,748,380,821.13/1,116,575.11 - Step 6: Final answer
x = 838,052.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.