Home / 483,839.20-724,800.66-331,661.80

Finding the Fourth Proportional to 483,839.20, 724,800.66 and 331,661.80

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Solution

The fourth proportional to 483,839.20, 724,800.66 and 331,661.80 is: 496,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,839.20 : 724,800.66 = 331,661.80 : x
  2. Step 2: Convert to fraction form
    483,839.20/724,800.66 = 331,661.80/x
  3. Step 3: Cross multiply
    483,839.20x = 724,800.66 × 331,661.80
  4. Step 4: Simplify right side
    483,839.20x = 240,388,691,536.79
  5. Step 5: Solve for x
    x = 240,388,691,536.79/483,839.20
  6. Step 6: Final answer
    x = 496,835.91

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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.