Home / 483,619.56-667,411.20-268,768.68

Finding the Fourth Proportional to 483,619.56, 667,411.20 and 268,768.68

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Solution

The fourth proportional to 483,619.56, 667,411.20 and 268,768.68 is: 370,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,619.56 : 667,411.20 = 268,768.68 : x
  2. Step 2: Convert to fraction form
    483,619.56/667,411.20 = 268,768.68/x
  3. Step 3: Cross multiply
    483,619.56x = 667,411.20 × 268,768.68
  4. Step 4: Simplify right side
    483,619.56x = 179,379,227,241.22
  5. Step 5: Solve for x
    x = 179,379,227,241.22/483,619.56
  6. Step 6: Final answer
    x = 370,909.79

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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.