Home / 483,835.10-667,715.23-268,978.75

Finding the Fourth Proportional to 483,835.10, 667,715.23 and 268,978.75

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Solution

The fourth proportional to 483,835.10, 667,715.23 and 268,978.75 is: 371,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,835.10 : 667,715.23 = 268,978.75 : x
  2. Step 2: Convert to fraction form
    483,835.10/667,715.23 = 268,978.75/x
  3. Step 3: Cross multiply
    483,835.10x = 667,715.23 × 268,978.75
  4. Step 4: Simplify right side
    483,835.10x = 179,601,207,921.36
  5. Step 5: Solve for x
    x = 179,601,207,921.36/483,835.10
  6. Step 6: Final answer
    x = 371,203.35

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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.