Home / 723,533.46-998,819.01-482,218.26

Finding the Fourth Proportional to 723,533.46, 998,819.01 and 482,218.26

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Solution

The fourth proportional to 723,533.46, 998,819.01 and 482,218.26 is: 665,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,533.46 : 998,819.01 = 482,218.26 : x
  2. Step 2: Convert to fraction form
    723,533.46/998,819.01 = 482,218.26/x
  3. Step 3: Cross multiply
    723,533.46x = 998,819.01 × 482,218.26
  4. Step 4: Simplify right side
    723,533.46x = 481,648,765,057.12
  5. Step 5: Solve for x
    x = 481,648,765,057.12/723,533.46
  6. Step 6: Final answer
    x = 665,689.69

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.