Home / 422,023.30-582,392.14-231,036.70

Finding the Fourth Proportional to 422,023.30, 582,392.14 and 231,036.70

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Solution

The fourth proportional to 422,023.30, 582,392.14 and 231,036.70 is: 318,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,023.30 : 582,392.14 = 231,036.70 : x
  2. Step 2: Convert to fraction form
    422,023.30/582,392.14 = 231,036.70/x
  3. Step 3: Cross multiply
    422,023.30x = 582,392.14 × 231,036.70
  4. Step 4: Simplify right side
    422,023.30x = 134,553,958,131.54
  5. Step 5: Solve for x
    x = 134,553,958,131.54/422,023.30
  6. Step 6: Final answer
    x = 318,830.64

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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.