Home / 412,749.62-568,823.21-321,961.79

Finding the Fourth Proportional to 412,749.62, 568,823.21 and 321,961.79

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Solution

The fourth proportional to 412,749.62, 568,823.21 and 321,961.79 is: 443,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,749.62 : 568,823.21 = 321,961.79 : x
  2. Step 2: Convert to fraction form
    412,749.62/568,823.21 = 321,961.79/x
  3. Step 3: Cross multiply
    412,749.62x = 568,823.21 × 321,961.79
  4. Step 4: Simplify right side
    412,749.62x = 183,139,336,705.12
  5. Step 5: Solve for x
    x = 183,139,336,705.12/412,749.62
  6. Step 6: Final answer
    x = 443,705.64

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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.