Home / 332,778.20-498,465.30-220,512.20

Finding the Fourth Proportional to 332,778.20, 498,465.30 and 220,512.20

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Solution

The fourth proportional to 332,778.20, 498,465.30 and 220,512.20 is: 330,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,778.20 : 498,465.30 = 220,512.20 : x
  2. Step 2: Convert to fraction form
    332,778.20/498,465.30 = 220,512.20/x
  3. Step 3: Cross multiply
    332,778.20x = 498,465.30 × 220,512.20
  4. Step 4: Simplify right side
    332,778.20x = 109,917,679,926.66
  5. Step 5: Solve for x
    x = 109,917,679,926.66/332,778.20
  6. Step 6: Final answer
    x = 330,303.13

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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.