Home / 502,544.20-753,816.30-479,216.20

Finding the Fourth Proportional to 502,544.20, 753,816.30 and 479,216.20

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Solution

The fourth proportional to 502,544.20, 753,816.30 and 479,216.20 is: 718,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,544.20 : 753,816.30 = 479,216.20 : x
  2. Step 2: Convert to fraction form
    502,544.20/753,816.30 = 479,216.20/x
  3. Step 3: Cross multiply
    502,544.20x = 753,816.30 × 479,216.20
  4. Step 4: Simplify right side
    502,544.20x = 361,240,982,784.06
  5. Step 5: Solve for x
    x = 361,240,982,784.06/502,544.20
  6. Step 6: Final answer
    x = 718,824.30

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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.