Home / 422,336.37-582,824.30-231,356.55

Finding the Fourth Proportional to 422,336.37, 582,824.30 and 231,356.55

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Solution

The fourth proportional to 422,336.37, 582,824.30 and 231,356.55 is: 319,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,336.37 : 582,824.30 = 231,356.55 : x
  2. Step 2: Convert to fraction form
    422,336.37/582,824.30 = 231,356.55/x
  3. Step 3: Cross multiply
    422,336.37x = 582,824.30 × 231,356.55
  4. Step 4: Simplify right side
    422,336.37x = 134,840,218,147.38
  5. Step 5: Solve for x
    x = 134,840,218,147.38/422,336.37
  6. Step 6: Final answer
    x = 319,272.10

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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.