Home / 465,002.15-641,626.52-273,989.57

Finding the Fourth Proportional to 465,002.15, 641,626.52 and 273,989.57

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Solution

The fourth proportional to 465,002.15, 641,626.52 and 273,989.57 is: 378,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,002.15 : 641,626.52 = 273,989.57 : x
  2. Step 2: Convert to fraction form
    465,002.15/641,626.52 = 273,989.57/x
  3. Step 3: Cross multiply
    465,002.15x = 641,626.52 × 273,989.57
  4. Step 4: Simplify right side
    465,002.15x = 175,798,969,737.32
  5. Step 5: Solve for x
    x = 175,798,969,737.32/465,002.15
  6. Step 6: Final answer
    x = 378,060.56

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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.