Home / 654,591.11-981,876.78-294,507.68

Finding the Fourth Proportional to 654,591.11, 981,876.78 and 294,507.68

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Solution

The fourth proportional to 654,591.11, 981,876.78 and 294,507.68 is: 441,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,591.11 : 981,876.78 = 294,507.68 : x
  2. Step 2: Convert to fraction form
    654,591.11/981,876.78 = 294,507.68/x
  3. Step 3: Cross multiply
    654,591.11x = 981,876.78 × 294,507.68
  4. Step 4: Simplify right side
    654,591.11x = 289,170,247,614.29
  5. Step 5: Solve for x
    x = 289,170,247,614.29/654,591.11
  6. Step 6: Final answer
    x = 441,757.07

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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.