Home / 481,626.17-664,620.39-263,835.78

Finding the Fourth Proportional to 481,626.17, 664,620.39 and 263,835.78

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Solution

The fourth proportional to 481,626.17, 664,620.39 and 263,835.78 is: 364,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,626.17 : 664,620.39 = 263,835.78 : x
  2. Step 2: Convert to fraction form
    481,626.17/664,620.39 = 263,835.78/x
  3. Step 3: Cross multiply
    481,626.17x = 664,620.39 × 263,835.78
  4. Step 4: Simplify right side
    481,626.17x = 175,350,640,001.52
  5. Step 5: Solve for x
    x = 175,350,640,001.52/481,626.17
  6. Step 6: Final answer
    x = 364,080.39

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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.