Finding the Fourth Proportional to 1,127,982.99, 1,691,553.37 and 453,836.55
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Solution
The fourth proportional to 1,127,982.99, 1,691,553.37 and 453,836.55 is: 680,585.39
Step by Step Solution
- Step 1: Write the proportion equation
1,127,982.99 : 1,691,553.37 = 453,836.55 : x - Step 2: Convert to fraction form
1,127,982.99/1,691,553.37 = 453,836.55/x - Step 3: Cross multiply
1,127,982.99x = 1,691,553.37 × 453,836.55 - Step 4: Simplify right side
1,127,982.99x = 767,688,735,989.32 - Step 5: Solve for x
x = 767,688,735,989.32/1,127,982.99 - Step 6: Final answer
x = 680,585.39
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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.