Home / 481,627.17-664,621.77-263,836.78

Finding the Fourth Proportional to 481,627.17, 664,621.77 and 263,836.78

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Solution

The fourth proportional to 481,627.17, 664,621.77 and 263,836.78 is: 364,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,627.17 : 664,621.77 = 263,836.78 : x
  2. Step 2: Convert to fraction form
    481,627.17/664,621.77 = 263,836.78/x
  3. Step 3: Cross multiply
    481,627.17x = 664,621.77 × 263,836.78
  4. Step 4: Simplify right side
    481,627.17x = 175,351,667,714.70
  5. Step 5: Solve for x
    x = 175,351,667,714.70/481,627.17
  6. Step 6: Final answer
    x = 364,081.76

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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.