Home / 422,974.14-583,713.39-231,987.06

Finding the Fourth Proportional to 422,974.14, 583,713.39 and 231,987.06

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Solution

The fourth proportional to 422,974.14, 583,713.39 and 231,987.06 is: 320,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,974.14 : 583,713.39 = 231,987.06 : x
  2. Step 2: Convert to fraction form
    422,974.14/583,713.39 = 231,987.06/x
  3. Step 3: Cross multiply
    422,974.14x = 583,713.39 × 231,987.06
  4. Step 4: Simplify right side
    422,974.14x = 135,413,953,228.73
  5. Step 5: Solve for x
    x = 135,413,953,228.73/422,974.14
  6. Step 6: Final answer
    x = 320,147.12

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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.