Home / 396,826.27-547,624.26-215,541.73

Finding the Fourth Proportional to 396,826.27, 547,624.26 and 215,541.73

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Solution

The fourth proportional to 396,826.27, 547,624.26 and 215,541.73 is: 297,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,826.27 : 547,624.26 = 215,541.73 : x
  2. Step 2: Convert to fraction form
    396,826.27/547,624.26 = 215,541.73/x
  3. Step 3: Cross multiply
    396,826.27x = 547,624.26 × 215,541.73
  4. Step 4: Simplify right side
    396,826.27x = 118,035,881,074.90
  5. Step 5: Solve for x
    x = 118,035,881,074.90/396,826.27
  6. Step 6: Final answer
    x = 297,449.77

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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.