Home / 383,834.60-529,520.42-222,596.20

Finding the Fourth Proportional to 383,834.60, 529,520.42 and 222,596.20

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Solution

The fourth proportional to 383,834.60, 529,520.42 and 222,596.20 is: 307,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,834.60 : 529,520.42 = 222,596.20 : x
  2. Step 2: Convert to fraction form
    383,834.60/529,520.42 = 222,596.20/x
  3. Step 3: Cross multiply
    383,834.60x = 529,520.42 × 222,596.20
  4. Step 4: Simplify right side
    383,834.60x = 117,869,234,532.80
  5. Step 5: Solve for x
    x = 117,869,234,532.80/383,834.60
  6. Step 6: Final answer
    x = 307,083.40

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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.