Home / 383,839.20-575,758.80-337,183.20

Finding the Fourth Proportional to 383,839.20, 575,758.80 and 337,183.20

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Solution

The fourth proportional to 383,839.20, 575,758.80 and 337,183.20 is: 505,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,839.20 : 575,758.80 = 337,183.20 : x
  2. Step 2: Convert to fraction form
    383,839.20/575,758.80 = 337,183.20/x
  3. Step 3: Cross multiply
    383,839.20x = 575,758.80 × 337,183.20
  4. Step 4: Simplify right side
    383,839.20x = 194,136,194,612.16
  5. Step 5: Solve for x
    x = 194,136,194,612.16/383,839.20
  6. Step 6: Final answer
    x = 505,774.80

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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.