Finding the Fourth Proportional to 1,137,102.08, 1,569,203.20 and 627,805.44
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Solution
The fourth proportional to 1,137,102.08, 1,569,203.20 and 627,805.44 is: 866,372.79
Step by Step Solution
- Step 1: Write the proportion equation
1,137,102.08 : 1,569,203.20 = 627,805.44 : x - Step 2: Convert to fraction form
1,137,102.08/1,569,203.20 = 627,805.44/x - Step 3: Cross multiply
1,137,102.08x = 1,569,203.20 × 627,805.44 - Step 4: Simplify right side
1,137,102.08x = 985,154,305,425.41 - Step 5: Solve for x
x = 985,154,305,425.41/1,137,102.08 - Step 6: Final answer
x = 866,372.79
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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.