Home / 492,344.20-738,516.30-413,612.20

Finding the Fourth Proportional to 492,344.20, 738,516.30 and 413,612.20

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Solution

The fourth proportional to 492,344.20, 738,516.30 and 413,612.20 is: 620,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,344.20 : 738,516.30 = 413,612.20 : x
  2. Step 2: Convert to fraction form
    492,344.20/738,516.30 = 413,612.20/x
  3. Step 3: Cross multiply
    492,344.20x = 738,516.30 × 413,612.20
  4. Step 4: Simplify right side
    492,344.20x = 305,459,351,578.86
  5. Step 5: Solve for x
    x = 305,459,351,578.86/492,344.20
  6. Step 6: Final answer
    x = 620,418.30

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Double scale
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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.