Home / 467,544.20-644,911.81-324,251.96

Finding the Fourth Proportional to 467,544.20, 644,911.81 and 324,251.96

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Solution

The fourth proportional to 467,544.20, 644,911.81 and 324,251.96 is: 447,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,544.20 : 644,911.81 = 324,251.96 : x
  2. Step 2: Convert to fraction form
    467,544.20/644,911.81 = 324,251.96/x
  3. Step 3: Cross multiply
    467,544.20x = 644,911.81 × 324,251.96
  4. Step 4: Simplify right side
    467,544.20x = 209,113,914,384.46
  5. Step 5: Solve for x
    x = 209,113,914,384.46/467,544.20
  6. Step 6: Final answer
    x = 447,260.21

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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.