Home / 396,923.44-547,752.08-215,633.92

Finding the Fourth Proportional to 396,923.44, 547,752.08 and 215,633.92

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Solution

The fourth proportional to 396,923.44, 547,752.08 and 215,633.92 is: 297,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,923.44 : 547,752.08 = 215,633.92 : x
  2. Step 2: Convert to fraction form
    396,923.44/547,752.08 = 215,633.92/x
  3. Step 3: Cross multiply
    396,923.44x = 547,752.08 × 215,633.92
  4. Step 4: Simplify right side
    396,923.44x = 118,113,928,198.55
  5. Step 5: Solve for x
    x = 118,113,928,198.55/396,923.44
  6. Step 6: Final answer
    x = 297,573.58

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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.