Home / 521,669.52-781,974.90-296,564.94

Finding the Fourth Proportional to 521,669.52, 781,974.90 and 296,564.94

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Solution

The fourth proportional to 521,669.52, 781,974.90 and 296,564.94 is: 444,546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,669.52 : 781,974.90 = 296,564.94 : x
  2. Step 2: Convert to fraction form
    521,669.52/781,974.90 = 296,564.94/x
  3. Step 3: Cross multiply
    521,669.52x = 781,974.90 × 296,564.94
  4. Step 4: Simplify right side
    521,669.52x = 231,906,339,300.01
  5. Step 5: Solve for x
    x = 231,906,339,300.01/521,669.52
  6. Step 6: Final answer
    x = 444,546.46

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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.