Home / 483,861.07-667,690.45-268,988.05

Finding the Fourth Proportional to 483,861.07, 667,690.45 and 268,988.05

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Solution

The fourth proportional to 483,861.07, 667,690.45 and 268,988.05 is: 371,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,861.07 : 667,690.45 = 268,988.05 : x
  2. Step 2: Convert to fraction form
    483,861.07/667,690.45 = 268,988.05/x
  3. Step 3: Cross multiply
    483,861.07x = 667,690.45 × 268,988.05
  4. Step 4: Simplify right side
    483,861.07x = 179,600,752,149.12
  5. Step 5: Solve for x
    x = 179,600,752,149.12/483,861.07
  6. Step 6: Final answer
    x = 371,182.48

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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.