Home / 521,794.20-782,108.10-222,223.80

Finding the Fourth Proportional to 521,794.20, 782,108.10 and 222,223.80

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Solution

The fourth proportional to 521,794.20, 782,108.10 and 222,223.80 is: 333,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,794.20 : 782,108.10 = 222,223.80 : x
  2. Step 2: Convert to fraction form
    521,794.20/782,108.10 = 222,223.80/x
  3. Step 3: Cross multiply
    521,794.20x = 782,108.10 × 222,223.80
  4. Step 4: Simplify right side
    521,794.20x = 173,803,033,992.78
  5. Step 5: Solve for x
    x = 173,803,033,992.78/521,794.20
  6. Step 6: Final answer
    x = 333,087.32

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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.