Home / 447,608.20-617,699.38-243,660.67

Finding the Fourth Proportional to 447,608.20, 617,699.38 and 243,660.67

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Solution

The fourth proportional to 447,608.20, 617,699.38 and 243,660.67 is: 336,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,608.20 : 617,699.38 = 243,660.67 : x
  2. Step 2: Convert to fraction form
    447,608.20/617,699.38 = 243,660.67/x
  3. Step 3: Cross multiply
    447,608.20x = 617,699.38 × 243,660.67
  4. Step 4: Simplify right side
    447,608.20x = 150,509,044,789.39
  5. Step 5: Solve for x
    x = 150,509,044,789.39/447,608.20
  6. Step 6: Final answer
    x = 336,251.76

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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.