Home / 396,514.44-547,190.42-215,226.36

Finding the Fourth Proportional to 396,514.44, 547,190.42 and 215,226.36

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Solution

The fourth proportional to 396,514.44, 547,190.42 and 215,226.36 is: 297,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,514.44 : 547,190.42 = 215,226.36 : x
  2. Step 2: Convert to fraction form
    396,514.44/547,190.42 = 215,226.36/x
  3. Step 3: Cross multiply
    396,514.44x = 547,190.42 × 215,226.36
  4. Step 4: Simplify right side
    396,514.44x = 117,769,801,247.34
  5. Step 5: Solve for x
    x = 117,769,801,247.34/396,514.44
  6. Step 6: Final answer
    x = 297,012.64

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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.