Home / 483,985.29-667,872.26-269,120.74

Finding the Fourth Proportional to 483,985.29, 667,872.26 and 269,120.74

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Solution

The fourth proportional to 483,985.29, 667,872.26 and 269,120.74 is: 371,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,985.29 : 667,872.26 = 269,120.74 : x
  2. Step 2: Convert to fraction form
    483,985.29/667,872.26 = 269,120.74/x
  3. Step 3: Cross multiply
    483,985.29x = 667,872.26 × 269,120.74
  4. Step 4: Simplify right side
    483,985.29x = 179,738,273,497.31
  5. Step 5: Solve for x
    x = 179,738,273,497.31/483,985.29
  6. Step 6: Final answer
    x = 371,371.36

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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.