Home / 481,983.20-722,974.80-304,836.20

Finding the Fourth Proportional to 481,983.20, 722,974.80 and 304,836.20

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Solution

The fourth proportional to 481,983.20, 722,974.80 and 304,836.20 is: 457,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,983.20 : 722,974.80 = 304,836.20 : x
  2. Step 2: Convert to fraction form
    481,983.20/722,974.80 = 304,836.20/x
  3. Step 3: Cross multiply
    481,983.20x = 722,974.80 × 304,836.20
  4. Step 4: Simplify right side
    481,983.20x = 220,388,890,727.76
  5. Step 5: Solve for x
    x = 220,388,890,727.76/481,983.20
  6. Step 6: Final answer
    x = 457,254.30

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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.