Finding the Fourth Proportional to 1,149,591.26, 1,586,292.18 and 666,147.62
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Solution
The fourth proportional to 1,149,591.26, 1,586,292.18 and 666,147.62 is: 919,200.41
Step by Step Solution
- Step 1: Write the proportion equation
1,149,591.26 : 1,586,292.18 = 666,147.62 : x - Step 2: Convert to fraction form
1,149,591.26/1,586,292.18 = 666,147.62/x - Step 3: Cross multiply
1,149,591.26x = 1,586,292.18 × 666,147.62 - Step 4: Simplify right side
1,149,591.26x = 1,056,704,760,331.61 - Step 5: Solve for x
x = 1,056,704,760,331.61/1,149,591.26 - Step 6: Final answer
x = 919,200.41
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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.