Home / 488,244.20-732,366.30-409,512.20

Finding the Fourth Proportional to 488,244.20, 732,366.30 and 409,512.20

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Solution

The fourth proportional to 488,244.20, 732,366.30 and 409,512.20 is: 614,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,244.20 : 732,366.30 = 409,512.20 : x
  2. Step 2: Convert to fraction form
    488,244.20/732,366.30 = 409,512.20/x
  3. Step 3: Cross multiply
    488,244.20x = 732,366.30 × 409,512.20
  4. Step 4: Simplify right side
    488,244.20x = 299,912,934,718.86
  5. Step 5: Solve for x
    x = 299,912,934,718.86/488,244.20
  6. Step 6: Final answer
    x = 614,268.30

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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.