Finding the Fourth Proportional to 1,472,124.54, 2,031,540.36 and 827,539.08
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Solution
The fourth proportional to 1,472,124.54, 2,031,540.36 and 827,539.08 is: 1,142,008.71
Step by Step Solution
- Step 1: Write the proportion equation
1,472,124.54 : 2,031,540.36 = 827,539.08 : x - Step 2: Convert to fraction form
1,472,124.54/2,031,540.36 = 827,539.08/x - Step 3: Cross multiply
1,472,124.54x = 2,031,540.36 × 827,539.08 - Step 4: Simplify right side
1,472,124.54x = 1,681,179,040,497.27 - Step 5: Solve for x
x = 1,681,179,040,497.27/1,472,124.54 - Step 6: Final answer
x = 1,142,008.71
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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.