Home / 483,416.20-667,221.06-268,630.12

Finding the Fourth Proportional to 483,416.20, 667,221.06 and 268,630.12

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Solution

The fourth proportional to 483,416.20, 667,221.06 and 268,630.12 is: 370,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,416.20 : 667,221.06 = 268,630.12 : x
  2. Step 2: Convert to fraction form
    483,416.20/667,221.06 = 268,630.12/x
  3. Step 3: Cross multiply
    483,416.20x = 667,221.06 × 268,630.12
  4. Step 4: Simplify right side
    483,416.20x = 179,235,673,414.33
  5. Step 5: Solve for x
    x = 179,235,673,414.33/483,416.20
  6. Step 6: Final answer
    x = 370,768.86

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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.