Finding the Fourth Proportional to 1,138,444.49, 1,571,085.97 and 622,227.17
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Solution
The fourth proportional to 1,138,444.49, 1,571,085.97 and 622,227.17 is: 858,691.29
Step by Step Solution
- Step 1: Write the proportion equation
1,138,444.49 : 1,571,085.97 = 622,227.17 : x - Step 2: Convert to fraction form
1,138,444.49/1,571,085.97 = 622,227.17/x - Step 3: Cross multiply
1,138,444.49x = 1,571,085.97 × 622,227.17 - Step 4: Simplify right side
1,138,444.49x = 977,572,367,528.81 - Step 5: Solve for x
x = 977,572,367,528.81/1,138,444.49 - Step 6: Final answer
x = 858,691.29
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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.