Home / 838,983.28-1,257,778.32-333,232.24

Finding the Fourth Proportional to 838,983.28, 1,257,778.32 and 333,232.24

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Solution

The fourth proportional to 838,983.28, 1,257,778.32 and 333,232.24 is: 499,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,983.28 : 1,257,778.32 = 333,232.24 : x
  2. Step 2: Convert to fraction form
    838,983.28/1,257,778.32 = 333,232.24/x
  3. Step 3: Cross multiply
    838,983.28x = 1,257,778.32 × 333,232.24
  4. Step 4: Simplify right side
    838,983.28x = 419,132,286,997.04
  5. Step 5: Solve for x
    x = 419,132,286,997.04/838,983.28
  6. Step 6: Final answer
    x = 499,571.68

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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.