Home / 422,022.09-582,390.54-231,035.52

Finding the Fourth Proportional to 422,022.09, 582,390.54 and 231,035.52

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Solution

The fourth proportional to 422,022.09, 582,390.54 and 231,035.52 is: 318,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,022.09 : 582,390.54 = 231,035.52 : x
  2. Step 2: Convert to fraction form
    422,022.09/582,390.54 = 231,035.52/x
  3. Step 3: Cross multiply
    422,022.09x = 582,390.54 × 231,035.52
  4. Step 4: Simplify right side
    422,022.09x = 134,552,901,251.98
  5. Step 5: Solve for x
    x = 134,552,901,251.98/422,022.09
  6. Step 6: Final answer
    x = 318,829.05

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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.