Home / 396,756.12-547,390.26-224,650.56

Finding the Fourth Proportional to 396,756.12, 547,390.26 and 224,650.56

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Solution

The fourth proportional to 396,756.12, 547,390.26 and 224,650.56 is: 309,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,756.12 : 547,390.26 = 224,650.56 : x
  2. Step 2: Convert to fraction form
    396,756.12/547,390.26 = 224,650.56/x
  3. Step 3: Cross multiply
    396,756.12x = 547,390.26 × 224,650.56
  4. Step 4: Simplify right side
    396,756.12x = 122,971,528,447.55
  5. Step 5: Solve for x
    x = 122,971,528,447.55/396,756.12
  6. Step 6: Final answer
    x = 309,942.36

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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.