Home / 1,474,147.20-2,211,233.16-409,272.30

Finding the Fourth Proportional to 1,474,147.20, 2,211,233.16 and 409,272.30

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Solution

The fourth proportional to 1,474,147.20, 2,211,233.16 and 409,272.30 is: 613,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,147.20 : 2,211,233.16 = 409,272.30 : x
  2. Step 2: Convert to fraction form
    1,474,147.20/2,211,233.16 = 409,272.30/x
  3. Step 3: Cross multiply
    1,474,147.20x = 2,211,233.16 × 409,272.30
  4. Step 4: Simplify right side
    1,474,147.20x = 904,996,481,229.47
  5. Step 5: Solve for x
    x = 904,996,481,229.47/1,474,147.20
  6. Step 6: Final answer
    x = 613,911.88

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Double scale
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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.