Home / 484,586.60-668,729.52-269,722.04

Finding the Fourth Proportional to 484,586.60, 668,729.52 and 269,722.04

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Solution

The fourth proportional to 484,586.60, 668,729.52 and 269,722.04 is: 372,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,586.60 : 668,729.52 = 269,722.04 : x
  2. Step 2: Convert to fraction form
    484,586.60/668,729.52 = 269,722.04/x
  3. Step 3: Cross multiply
    484,586.60x = 668,729.52 × 269,722.04
  4. Step 4: Simplify right side
    484,586.60x = 180,371,086,998.97
  5. Step 5: Solve for x
    x = 180,371,086,998.97/484,586.60
  6. Step 6: Final answer
    x = 372,216.42

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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.