Home / 723,694.32-998,569.20-437,022.24

Finding the Fourth Proportional to 723,694.32, 998,569.20 and 437,022.24

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Solution

The fourth proportional to 723,694.32, 998,569.20 and 437,022.24 is: 603,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,694.32 : 998,569.20 = 437,022.24 : x
  2. Step 2: Convert to fraction form
    723,694.32/998,569.20 = 437,022.24/x
  3. Step 3: Cross multiply
    723,694.32x = 998,569.20 × 437,022.24
  4. Step 4: Simplify right side
    723,694.32x = 436,396,948,579.01
  5. Step 5: Solve for x
    x = 436,396,948,579.01/723,694.32
  6. Step 6: Final answer
    x = 603,012.81

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Double scale
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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.