Home / 383,962.20-529,973.22-222,869.15

Finding the Fourth Proportional to 383,962.20, 529,973.22 and 222,869.15

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Solution

The fourth proportional to 383,962.20, 529,973.22 and 222,869.15 is: 307,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,962.20 : 529,973.22 = 222,869.15 : x
  2. Step 2: Convert to fraction form
    383,962.20/529,973.22 = 222,869.15/x
  3. Step 3: Cross multiply
    383,962.20x = 529,973.22 × 222,869.15
  4. Step 4: Simplify right side
    383,962.20x = 118,114,678,414.30
  5. Step 5: Solve for x
    x = 118,114,678,414.30/383,962.20
  6. Step 6: Final answer
    x = 307,620.59

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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.