Finding the Fourth Proportional to 1,609,930.26, 2,414,978.11 and 411,862.97
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Solution
The fourth proportional to 1,609,930.26, 2,414,978.11 and 411,862.97 is: 617,815.62
Step by Step Solution
- Step 1: Write the proportion equation
1,609,930.26 : 2,414,978.11 = 411,862.97 : x - Step 2: Convert to fraction form
1,609,930.26/2,414,978.11 = 411,862.97/x - Step 3: Cross multiply
1,609,930.26x = 2,414,978.11 × 411,862.97 - Step 4: Simplify right side
1,609,930.26x = 994,640,056,869.59 - Step 5: Solve for x
x = 994,640,056,869.59/1,609,930.26 - Step 6: Final answer
x = 617,815.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.