Home / 568,099.20-783,993.30-313,466.79

Finding the Fourth Proportional to 568,099.20, 783,993.30 and 313,466.79

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Solution

The fourth proportional to 568,099.20, 783,993.30 and 313,466.79 is: 432,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,099.20 : 783,993.30 = 313,466.79 : x
  2. Step 2: Convert to fraction form
    568,099.20/783,993.30 = 313,466.79/x
  3. Step 3: Cross multiply
    568,099.20x = 783,993.30 × 313,466.79
  4. Step 4: Simplify right side
    568,099.20x = 245,755,860,926.91
  5. Step 5: Solve for x
    x = 245,755,860,926.91/568,099.20
  6. Step 6: Final answer
    x = 432,593.22

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1.5x scale

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.