Home / 1,150,178.20-1,587,245.97-667,023.60

Finding the Fourth Proportional to 1,150,178.20, 1,587,245.97 and 667,023.60

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Solution

The fourth proportional to 1,150,178.20, 1,587,245.97 and 667,023.60 is: 920,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,178.20 : 1,587,245.97 = 667,023.60 : x
  2. Step 2: Convert to fraction form
    1,150,178.20/1,587,245.97 = 667,023.60/x
  3. Step 3: Cross multiply
    1,150,178.20x = 1,587,245.97 × 667,023.60
  4. Step 4: Simplify right side
    1,150,178.20x = 1,058,730,520,994.89
  5. Step 5: Solve for x
    x = 1,058,730,520,994.89/1,150,178.20
  6. Step 6: Final answer
    x = 920,492.60

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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.