Home / 396,099.18-546,609.87-226,329.66

Finding the Fourth Proportional to 396,099.18, 546,609.87 and 226,329.66

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Solution

The fourth proportional to 396,099.18, 546,609.87 and 226,329.66 is: 312,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,099.18 : 546,609.87 = 226,329.66 : x
  2. Step 2: Convert to fraction form
    396,099.18/546,609.87 = 226,329.66/x
  3. Step 3: Cross multiply
    396,099.18x = 546,609.87 × 226,329.66
  4. Step 4: Simplify right side
    396,099.18x = 123,714,026,029.74
  5. Step 5: Solve for x
    x = 123,714,026,029.74/396,099.18
  6. Step 6: Final answer
    x = 312,330.93

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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.