Home / 422,935.88-583,651.56-231,953.28

Finding the Fourth Proportional to 422,935.88, 583,651.56 and 231,953.28

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Solution

The fourth proportional to 422,935.88, 583,651.56 and 231,953.28 is: 320,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,935.88 : 583,651.56 = 231,953.28 : x
  2. Step 2: Convert to fraction form
    422,935.88/583,651.56 = 231,953.28/x
  3. Step 3: Cross multiply
    422,935.88x = 583,651.56 × 231,953.28
  4. Step 4: Simplify right side
    422,935.88x = 135,379,893,719.12
  5. Step 5: Solve for x
    x = 135,379,893,719.12/422,935.88
  6. Step 6: Final answer
    x = 320,095.55

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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.