Finding the Fourth Proportional to 1,191,125.95, 1,786,304.98 and 392,217.28
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Solution
The fourth proportional to 1,191,125.95, 1,786,304.98 and 392,217.28 is: 588,199.49
Step by Step Solution
- Step 1: Write the proportion equation
1,191,125.95 : 1,786,304.98 = 392,217.28 : x - Step 2: Convert to fraction form
1,191,125.95/1,786,304.98 = 392,217.28/x - Step 3: Cross multiply
1,191,125.95x = 1,786,304.98 × 392,217.28 - Step 4: Simplify right side
1,191,125.95x = 700,619,680,506.06 - Step 5: Solve for x
x = 700,619,680,506.06/1,191,125.95 - Step 6: Final answer
x = 588,199.49
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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.