Home / 481,538.79-664,499.82-263,748.41

Finding the Fourth Proportional to 481,538.79, 664,499.82 and 263,748.41

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Solution

The fourth proportional to 481,538.79, 664,499.82 and 263,748.41 is: 363,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,538.79 : 664,499.82 = 263,748.41 : x
  2. Step 2: Convert to fraction form
    481,538.79/664,499.82 = 263,748.41/x
  3. Step 3: Cross multiply
    481,538.79x = 664,499.82 × 263,748.41
  4. Step 4: Simplify right side
    481,538.79x = 175,260,771,936.72
  5. Step 5: Solve for x
    x = 175,260,771,936.72/481,538.79
  6. Step 6: Final answer
    x = 363,959.82

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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.