Home / 396,827.76-547,626.33-215,543.24

Finding the Fourth Proportional to 396,827.76, 547,626.33 and 215,543.24

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Solution

The fourth proportional to 396,827.76, 547,626.33 and 215,543.24 is: 297,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,827.76 : 547,626.33 = 215,543.24 : x
  2. Step 2: Convert to fraction form
    396,827.76/547,626.33 = 215,543.24/x
  3. Step 3: Cross multiply
    396,827.76x = 547,626.33 × 215,543.24
  4. Step 4: Simplify right side
    396,827.76x = 118,037,150,739.38
  5. Step 5: Solve for x
    x = 118,037,150,739.38/396,827.76
  6. Step 6: Final answer
    x = 297,451.85

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1.5x scale

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.