Finding the Fourth Proportional to 1,137,153.49, 1,569,283.55 and 627,854.65
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Solution
The fourth proportional to 1,137,153.49, 1,569,283.55 and 627,854.65 is: 866,445.90
Step by Step Solution
- Step 1: Write the proportion equation
1,137,153.49 : 1,569,283.55 = 627,854.65 : x - Step 2: Convert to fraction form
1,137,153.49/1,569,283.55 = 627,854.65/x - Step 3: Cross multiply
1,137,153.49x = 1,569,283.55 × 627,854.65 - Step 4: Simplify right side
1,137,153.49x = 985,281,974,036.01 - Step 5: Solve for x
x = 985,281,974,036.01/1,137,153.49 - Step 6: Final answer
x = 866,445.90
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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.