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Finding the Fourth Proportional to 924,793.70, 1,388,616.15 and 504,889.70

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Solution

The fourth proportional to 924,793.70, 1,388,616.15 and 504,889.70 is: 758,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,793.70 : 1,388,616.15 = 504,889.70 : x
  2. Step 2: Convert to fraction form
    924,793.70/1,388,616.15 = 504,889.70/x
  3. Step 3: Cross multiply
    924,793.70x = 1,388,616.15 × 504,889.70
  4. Step 4: Simplify right side
    924,793.70x = 701,097,991,388.66
  5. Step 5: Solve for x
    x = 701,097,991,388.66/924,793.70
  6. Step 6: Final answer
    x = 758,112.85

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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.