Finding the Fourth Proportional to 1,137,143.49, 1,569,269.75 and 627,844.65
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Solution
The fourth proportional to 1,137,143.49, 1,569,269.75 and 627,844.65 is: 866,432.09
Step by Step Solution
- Step 1: Write the proportion equation
1,137,143.49 : 1,569,269.75 = 627,844.65 : x - Step 2: Convert to fraction form
1,137,143.49/1,569,269.75 = 627,844.65/x - Step 3: Cross multiply
1,137,143.49x = 1,569,269.75 × 627,844.65 - Step 4: Simplify right side
1,137,143.49x = 985,257,613,805.11 - Step 5: Solve for x
x = 985,257,613,805.11/1,137,143.49 - Step 6: Final answer
x = 866,432.09
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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.