Home / 422,766.82-583,402.73-231,776.02

Finding the Fourth Proportional to 422,766.82, 583,402.73 and 231,776.02

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Solution

The fourth proportional to 422,766.82, 583,402.73 and 231,776.02 is: 319,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,766.82 : 583,402.73 = 231,776.02 : x
  2. Step 2: Convert to fraction form
    422,766.82/583,402.73 = 231,776.02/x
  3. Step 3: Cross multiply
    422,766.82x = 583,402.73 × 231,776.02
  4. Step 4: Simplify right side
    422,766.82x = 135,218,762,816.54
  5. Step 5: Solve for x
    x = 135,218,762,816.54/422,766.82
  6. Step 6: Final answer
    x = 319,842.42

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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.