Home / 422,336.75-582,824.81-231,356.93

Finding the Fourth Proportional to 422,336.75, 582,824.81 and 231,356.93

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Solution

The fourth proportional to 422,336.75, 582,824.81 and 231,356.93 is: 319,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,336.75 : 582,824.81 = 231,356.93 : x
  2. Step 2: Convert to fraction form
    422,336.75/582,824.81 = 231,356.93/x
  3. Step 3: Cross multiply
    422,336.75x = 582,824.81 × 231,356.93
  4. Step 4: Simplify right side
    422,336.75x = 134,840,556,433.70
  5. Step 5: Solve for x
    x = 134,840,556,433.70/422,336.75
  6. Step 6: Final answer
    x = 319,272.61

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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.