Home / 860,748.20-1,291,194.57-261,714.54

Finding the Fourth Proportional to 860,748.20, 1,291,194.57 and 261,714.54

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Solution

The fourth proportional to 860,748.20, 1,291,194.57 and 261,714.54 is: 392,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,748.20 : 1,291,194.57 = 261,714.54 : x
  2. Step 2: Convert to fraction form
    860,748.20/1,291,194.57 = 261,714.54/x
  3. Step 3: Cross multiply
    860,748.20x = 1,291,194.57 × 261,714.54
  4. Step 4: Simplify right side
    860,748.20x = 337,924,392,938.05
  5. Step 5: Solve for x
    x = 337,924,392,938.05/860,748.20
  6. Step 6: Final answer
    x = 392,593.79

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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.