Home / 484,112.20-668,023.32-269,217.76

Finding the Fourth Proportional to 484,112.20, 668,023.32 and 269,217.76

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Solution

The fourth proportional to 484,112.20, 668,023.32 and 269,217.76 is: 371,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,112.20 : 668,023.32 = 269,217.76 : x
  2. Step 2: Convert to fraction form
    484,112.20/668,023.32 = 269,217.76/x
  3. Step 3: Cross multiply
    484,112.20x = 668,023.32 × 269,217.76
  4. Step 4: Simplify right side
    484,112.20x = 179,843,741,838.16
  5. Step 5: Solve for x
    x = 179,843,741,838.16/484,112.20
  6. Step 6: Final answer
    x = 371,491.86

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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.