Home / 492,049.10-738,073.65-429,841.10

Finding the Fourth Proportional to 492,049.10, 738,073.65 and 429,841.10

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Solution

The fourth proportional to 492,049.10, 738,073.65 and 429,841.10 is: 644,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,049.10 : 738,073.65 = 429,841.10 : x
  2. Step 2: Convert to fraction form
    492,049.10/738,073.65 = 429,841.10/x
  3. Step 3: Cross multiply
    492,049.10x = 738,073.65 × 429,841.10
  4. Step 4: Simplify right side
    492,049.10x = 317,254,389,597.02
  5. Step 5: Solve for x
    x = 317,254,389,597.02/492,049.10
  6. Step 6: Final answer
    x = 644,761.65

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Similar ratio
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1.5x scale

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.