Home / 422,425.13-582,946.67-231,442.92

Finding the Fourth Proportional to 422,425.13, 582,946.67 and 231,442.92

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Solution

The fourth proportional to 422,425.13, 582,946.67 and 231,442.92 is: 319,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,425.13 : 582,946.67 = 231,442.92 : x
  2. Step 2: Convert to fraction form
    422,425.13/582,946.67 = 231,442.92/x
  3. Step 3: Cross multiply
    422,425.13x = 582,946.67 × 231,442.92
  4. Step 4: Simplify right side
    422,425.13x = 134,918,880,087.68
  5. Step 5: Solve for x
    x = 134,918,880,087.68/422,425.13
  6. Step 6: Final answer
    x = 319,391.23

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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.