Home / 347,785.28-482,399.12-338,567.07

Finding the Fourth Proportional to 347,785.28, 482,399.12 and 338,567.07

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Solution

The fourth proportional to 347,785.28, 482,399.12 and 338,567.07 is: 469,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,785.28 : 482,399.12 = 338,567.07 : x
  2. Step 2: Convert to fraction form
    347,785.28/482,399.12 = 338,567.07/x
  3. Step 3: Cross multiply
    347,785.28x = 482,399.12 × 338,567.07
  4. Step 4: Simplify right side
    347,785.28x = 163,324,454,936.14
  5. Step 5: Solve for x
    x = 163,324,454,936.14/347,785.28
  6. Step 6: Final answer
    x = 469,612.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.