Home / 422,623.60-633,974.46-152,819.08

Finding the Fourth Proportional to 422,623.60, 633,974.46 and 152,819.08

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Solution

The fourth proportional to 422,623.60, 633,974.46 and 152,819.08 is: 229,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,623.60 : 633,974.46 = 152,819.08 : x
  2. Step 2: Convert to fraction form
    422,623.60/633,974.46 = 152,819.08/x
  3. Step 3: Cross multiply
    422,623.60x = 633,974.46 × 152,819.08
  4. Step 4: Simplify right side
    422,623.60x = 96,883,393,720.70
  5. Step 5: Solve for x
    x = 96,883,393,720.70/422,623.60
  6. Step 6: Final answer
    x = 229,242.74

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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.