Home / 445,936.27-615,134.69-284,609.48

Finding the Fourth Proportional to 445,936.27, 615,134.69 and 284,609.48

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Solution

The fourth proportional to 445,936.27, 615,134.69 and 284,609.48 is: 392,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,936.27 : 615,134.69 = 284,609.48 : x
  2. Step 2: Convert to fraction form
    445,936.27/615,134.69 = 284,609.48/x
  3. Step 3: Cross multiply
    445,936.27x = 615,134.69 × 284,609.48
  4. Step 4: Simplify right side
    445,936.27x = 175,073,164,250.86
  5. Step 5: Solve for x
    x = 175,073,164,250.86/445,936.27
  6. Step 6: Final answer
    x = 392,596.83

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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.