Home / 422,023.24-582,402.30-231,036.04

Finding the Fourth Proportional to 422,023.24, 582,402.30 and 231,036.04

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Solution

The fourth proportional to 422,023.24, 582,402.30 and 231,036.04 is: 318,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,023.24 : 582,402.30 = 231,036.04 : x
  2. Step 2: Convert to fraction form
    422,023.24/582,402.30 = 231,036.04/x
  3. Step 3: Cross multiply
    422,023.24x = 582,402.30 × 231,036.04
  4. Step 4: Simplify right side
    422,023.24x = 134,555,921,078.89
  5. Step 5: Solve for x
    x = 134,555,921,078.89/422,023.24
  6. Step 6: Final answer
    x = 318,835.33

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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.