Home / 324,695.18-447,789.22-203,847.72

Finding the Fourth Proportional to 324,695.18, 447,789.22 and 203,847.72

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Solution

The fourth proportional to 324,695.18, 447,789.22 and 203,847.72 is: 281,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,695.18 : 447,789.22 = 203,847.72 : x
  2. Step 2: Convert to fraction form
    324,695.18/447,789.22 = 203,847.72/x
  3. Step 3: Cross multiply
    324,695.18x = 447,789.22 × 203,847.72
  4. Step 4: Simplify right side
    324,695.18x = 91,280,811,027.96
  5. Step 5: Solve for x
    x = 91,280,811,027.96/324,695.18
  6. Step 6: Final answer
    x = 281,127.71

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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.