Home / 484,320.05-726,472.78-217,892.42

Finding the Fourth Proportional to 484,320.05, 726,472.78 and 217,892.42

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Solution

The fourth proportional to 484,320.05, 726,472.78 and 217,892.42 is: 326,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,320.05 : 726,472.78 = 217,892.42 : x
  2. Step 2: Convert to fraction form
    484,320.05/726,472.78 = 217,892.42/x
  3. Step 3: Cross multiply
    484,320.05x = 726,472.78 × 217,892.42
  4. Step 4: Simplify right side
    484,320.05x = 158,292,907,921.23
  5. Step 5: Solve for x
    x = 158,292,907,921.23/484,320.05
  6. Step 6: Final answer
    x = 326,835.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.