Home / 568,522.20-851,660.10-288,240.60

Finding the Fourth Proportional to 568,522.20, 851,660.10 and 288,240.60

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Solution

The fourth proportional to 568,522.20, 851,660.10 and 288,240.60 is: 431,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,522.20 : 851,660.10 = 288,240.60 : x
  2. Step 2: Convert to fraction form
    568,522.20/851,660.10 = 288,240.60/x
  3. Step 3: Cross multiply
    568,522.20x = 851,660.10 × 288,240.60
  4. Step 4: Simplify right side
    568,522.20x = 245,483,018,220.06
  5. Step 5: Solve for x
    x = 245,483,018,220.06/568,522.20
  6. Step 6: Final answer
    x = 431,791.44

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1.5x scale

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.