Home / 484,039.68-667,923.60-269,145.06

Finding the Fourth Proportional to 484,039.68, 667,923.60 and 269,145.06

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Solution

The fourth proportional to 484,039.68, 667,923.60 and 269,145.06 is: 371,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,039.68 : 667,923.60 = 269,145.06 : x
  2. Step 2: Convert to fraction form
    484,039.68/667,923.60 = 269,145.06/x
  3. Step 3: Cross multiply
    484,039.68x = 667,923.60 × 269,145.06
  4. Step 4: Simplify right side
    484,039.68x = 179,768,337,397.42
  5. Step 5: Solve for x
    x = 179,768,337,397.42/484,039.68
  6. Step 6: Final answer
    x = 371,391.74

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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.