Finding the Fourth Proportional to 1,137,132.08, 1,569,231.68 and 627,838.08
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Solution
The fourth proportional to 1,137,132.08, 1,569,231.68 and 627,838.08 is: 866,410.70
Step by Step Solution
- Step 1: Write the proportion equation
1,137,132.08 : 1,569,231.68 = 627,838.08 : x - Step 2: Convert to fraction form
1,137,132.08/1,569,231.68 = 627,838.08/x - Step 3: Cross multiply
1,137,132.08x = 1,569,231.68 × 627,838.08 - Step 4: Simplify right side
1,137,132.08x = 985,223,405,046.37 - Step 5: Solve for x
x = 985,223,405,046.37/1,137,132.08 - Step 6: Final answer
x = 866,410.70
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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.