Home / 396,586.36-547,359.08-224,514.15

Finding the Fourth Proportional to 396,586.36, 547,359.08 and 224,514.15

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Solution

The fourth proportional to 396,586.36, 547,359.08 and 224,514.15 is: 309,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,586.36 : 547,359.08 = 224,514.15 : x
  2. Step 2: Convert to fraction form
    396,586.36/547,359.08 = 224,514.15/x
  3. Step 3: Cross multiply
    396,586.36x = 547,359.08 × 224,514.15
  4. Step 4: Simplify right side
    396,586.36x = 122,889,858,590.98
  5. Step 5: Solve for x
    x = 122,889,858,590.98/396,586.36
  6. Step 6: Final answer
    x = 309,869.10

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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.