Home / 396,826.70-547,624.87-215,542.17

Finding the Fourth Proportional to 396,826.70, 547,624.87 and 215,542.17

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Solution

The fourth proportional to 396,826.70, 547,624.87 and 215,542.17 is: 297,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,826.70 : 547,624.87 = 215,542.17 : x
  2. Step 2: Convert to fraction form
    396,826.70/547,624.87 = 215,542.17/x
  3. Step 3: Cross multiply
    396,826.70x = 547,624.87 × 215,542.17
  4. Step 4: Simplify right side
    396,826.70x = 118,036,251,748.06
  5. Step 5: Solve for x
    x = 118,036,251,748.06/396,826.70
  6. Step 6: Final answer
    x = 297,450.38

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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.