Finding the Fourth Proportional to 1,139,349.24, 1,572,495.28 and 656,194.11
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Solution
The fourth proportional to 1,139,349.24, 1,572,495.28 and 656,194.11 is: 905,659.21
Step by Step Solution
- Step 1: Write the proportion equation
1,139,349.24 : 1,572,495.28 = 656,194.11 : x - Step 2: Convert to fraction form
1,139,349.24/1,572,495.28 = 656,194.11/x - Step 3: Cross multiply
1,139,349.24x = 1,572,495.28 × 656,194.11 - Step 4: Simplify right side
1,139,349.24x = 1,031,862,132,876.32 - Step 5: Solve for x
x = 1,031,862,132,876.32/1,139,349.24 - Step 6: Final answer
x = 905,659.21
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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.