Home / 422,540.46-583,110.43-231,549.75

Finding the Fourth Proportional to 422,540.46, 583,110.43 and 231,549.75

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Solution

The fourth proportional to 422,540.46, 583,110.43 and 231,549.75 is: 319,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,540.46 : 583,110.43 = 231,549.75 : x
  2. Step 2: Convert to fraction form
    422,540.46/583,110.43 = 231,549.75/x
  3. Step 3: Cross multiply
    422,540.46x = 583,110.43 × 231,549.75
  4. Step 4: Simplify right side
    422,540.46x = 135,019,073,710.02
  5. Step 5: Solve for x
    x = 135,019,073,710.02/422,540.46
  6. Step 6: Final answer
    x = 319,541.17

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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.