Home / 422,664.24-583,273.20-231,677.20

Finding the Fourth Proportional to 422,664.24, 583,273.20 and 231,677.20

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Solution

The fourth proportional to 422,664.24, 583,273.20 and 231,677.20 is: 319,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,664.24 : 583,273.20 = 231,677.20 : x
  2. Step 2: Convert to fraction form
    422,664.24/583,273.20 = 231,677.20/x
  3. Step 3: Cross multiply
    422,664.24x = 583,273.20 × 231,677.20
  4. Step 4: Simplify right side
    422,664.24x = 135,131,101,811.04
  5. Step 5: Solve for x
    x = 135,131,101,811.04/422,664.24
  6. Step 6: Final answer
    x = 319,712.64

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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.