Home / 396,536.90-547,230.57-215,256.26

Finding the Fourth Proportional to 396,536.90, 547,230.57 and 215,256.26

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Solution

The fourth proportional to 396,536.90, 547,230.57 and 215,256.26 is: 297,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,536.90 : 547,230.57 = 215,256.26 : x
  2. Step 2: Convert to fraction form
    396,536.90/547,230.57 = 215,256.26/x
  3. Step 3: Cross multiply
    396,536.90x = 547,230.57 × 215,256.26
  4. Step 4: Simplify right side
    396,536.90x = 117,794,805,855.87
  5. Step 5: Solve for x
    x = 117,794,805,855.87/396,536.90
  6. Step 6: Final answer
    x = 297,058.88

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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.