Finding the Fourth Proportional to 1,137,206.75, 1,569,304.12 and 627,898.19
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Solution
The fourth proportional to 1,137,206.75, 1,569,304.12 and 627,898.19 is: 866,476.76
Step by Step Solution
- Step 1: Write the proportion equation
1,137,206.75 : 1,569,304.12 = 627,898.19 : x - Step 2: Convert to fraction form
1,137,206.75/1,569,304.12 = 627,898.19/x - Step 3: Cross multiply
1,137,206.75x = 1,569,304.12 × 627,898.19 - Step 4: Simplify right side
1,137,206.75x = 985,363,216,507.54 - Step 5: Solve for x
x = 985,363,216,507.54/1,137,206.75 - Step 6: Final answer
x = 866,476.76
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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.