Home / 403,747.42-557,184.06-231,696.86

Finding the Fourth Proportional to 403,747.42, 557,184.06 and 231,696.86

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Solution

The fourth proportional to 403,747.42, 557,184.06 and 231,696.86 is: 319,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,747.42 : 557,184.06 = 231,696.86 : x
  2. Step 2: Convert to fraction form
    403,747.42/557,184.06 = 231,696.86/x
  3. Step 3: Cross multiply
    403,747.42x = 557,184.06 × 231,696.86
  4. Step 4: Simplify right side
    403,747.42x = 129,097,793,778.89
  5. Step 5: Solve for x
    x = 129,097,793,778.89/403,747.42
  6. Step 6: Final answer
    x = 319,748.90

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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.