Home / 481,729.92-664,787.32-263,939.52

Finding the Fourth Proportional to 481,729.92, 664,787.32 and 263,939.52

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Solution

The fourth proportional to 481,729.92, 664,787.32 and 263,939.52 is: 364,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,729.92 : 664,787.32 = 263,939.52 : x
  2. Step 2: Convert to fraction form
    481,729.92/664,787.32 = 263,939.52/x
  3. Step 3: Cross multiply
    481,729.92x = 664,787.32 × 263,939.52
  4. Step 4: Simplify right side
    481,729.92x = 175,463,646,142.89
  5. Step 5: Solve for x
    x = 175,463,646,142.89/481,729.92
  6. Step 6: Final answer
    x = 364,236.55

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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.