Finding the Fourth Proportional to 1,191,125.33, 1,786,304.05 and 392,216.66
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Solution
The fourth proportional to 1,191,125.33, 1,786,304.05 and 392,216.66 is: 588,198.56
Step by Step Solution
- Step 1: Write the proportion equation
1,191,125.33 : 1,786,304.05 = 392,216.66 : x - Step 2: Convert to fraction form
1,191,125.33/1,786,304.05 = 392,216.66/x - Step 3: Cross multiply
1,191,125.33x = 1,786,304.05 × 392,216.66 - Step 4: Simplify right side
1,191,125.33x = 700,618,198,323.41 - Step 5: Solve for x
x = 700,618,198,323.41/1,191,125.33 - Step 6: Final answer
x = 588,198.56
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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.