Home / 521,729.30-782,885.55-222,158.90

Finding the Fourth Proportional to 521,729.30, 782,885.55 and 222,158.90

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Solution

The fourth proportional to 521,729.30, 782,885.55 and 222,158.90 is: 333,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,729.30 : 782,885.55 = 222,158.90 : x
  2. Step 2: Convert to fraction form
    521,729.30/782,885.55 = 222,158.90/x
  3. Step 3: Cross multiply
    521,729.30x = 782,885.55 × 222,158.90
  4. Step 4: Simplify right side
    521,729.30x = 173,924,992,613.90
  5. Step 5: Solve for x
    x = 173,924,992,613.90/521,729.30
  6. Step 6: Final answer
    x = 333,362.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.