Home / 483,331.40-724,997.10-474,000.20

Finding the Fourth Proportional to 483,331.40, 724,997.10 and 474,000.20

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Solution

The fourth proportional to 483,331.40, 724,997.10 and 474,000.20 is: 711,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,331.40 : 724,997.10 = 474,000.20 : x
  2. Step 2: Convert to fraction form
    483,331.40/724,997.10 = 474,000.20/x
  3. Step 3: Cross multiply
    483,331.40x = 724,997.10 × 474,000.20
  4. Step 4: Simplify right side
    483,331.40x = 343,648,770,399.42
  5. Step 5: Solve for x
    x = 343,648,770,399.42/483,331.40
  6. Step 6: Final answer
    x = 711,000.30

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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.