Home / 667,954.58-1,002,460.82-348,198.09

Finding the Fourth Proportional to 667,954.58, 1,002,460.82 and 348,198.09

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Solution

The fourth proportional to 667,954.58, 1,002,460.82 and 348,198.09 is: 522,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,954.58 : 1,002,460.82 = 348,198.09 : x
  2. Step 2: Convert to fraction form
    667,954.58/1,002,460.82 = 348,198.09/x
  3. Step 3: Cross multiply
    667,954.58x = 1,002,460.82 × 348,198.09
  4. Step 4: Simplify right side
    667,954.58x = 349,054,942,823.83
  5. Step 5: Solve for x
    x = 349,054,942,823.83/667,954.58
  6. Step 6: Final answer
    x = 522,572.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.