Home / 422,869.97-583,587.14-231,883.36

Finding the Fourth Proportional to 422,869.97, 583,587.14 and 231,883.36

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Solution

The fourth proportional to 422,869.97, 583,587.14 and 231,883.36 is: 320,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,869.97 : 583,587.14 = 231,883.36 : x
  2. Step 2: Convert to fraction form
    422,869.97/583,587.14 = 231,883.36/x
  3. Step 3: Cross multiply
    422,869.97x = 583,587.14 × 231,883.36
  4. Step 4: Simplify right side
    422,869.97x = 135,324,144,257.61
  5. Step 5: Solve for x
    x = 135,324,144,257.61/422,869.97
  6. Step 6: Final answer
    x = 320,013.60

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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.