Home / 486,027.20-729,040.80-466,344.20

Finding the Fourth Proportional to 486,027.20, 729,040.80 and 466,344.20

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Solution

The fourth proportional to 486,027.20, 729,040.80 and 466,344.20 is: 699,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,027.20 : 729,040.80 = 466,344.20 : x
  2. Step 2: Convert to fraction form
    486,027.20/729,040.80 = 466,344.20/x
  3. Step 3: Cross multiply
    486,027.20x = 729,040.80 × 466,344.20
  4. Step 4: Simplify right side
    486,027.20x = 339,983,948,643.36
  5. Step 5: Solve for x
    x = 339,983,948,643.36/486,027.20
  6. Step 6: Final answer
    x = 699,516.30

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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.