Home / 481,472.24-721,780.08-228,596.72

Finding the Fourth Proportional to 481,472.24, 721,780.08 and 228,596.72

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Solution

The fourth proportional to 481,472.24, 721,780.08 and 228,596.72 is: 342,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,472.24 : 721,780.08 = 228,596.72 : x
  2. Step 2: Convert to fraction form
    481,472.24/721,780.08 = 228,596.72/x
  3. Step 3: Cross multiply
    481,472.24x = 721,780.08 × 228,596.72
  4. Step 4: Simplify right side
    481,472.24x = 164,996,558,849.34
  5. Step 5: Solve for x
    x = 164,996,558,849.34/481,472.24
  6. Step 6: Final answer
    x = 342,691.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.