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Finding the Fourth Proportional to 888,191.20, 1,328,398.80 and 794,101.60

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Solution

The fourth proportional to 888,191.20, 1,328,398.80 and 794,101.60 is: 1,187,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,191.20 : 1,328,398.80 = 794,101.60 : x
  2. Step 2: Convert to fraction form
    888,191.20/1,328,398.80 = 794,101.60/x
  3. Step 3: Cross multiply
    888,191.20x = 1,328,398.80 × 794,101.60
  4. Step 4: Simplify right side
    888,191.20x = 1,054,883,612,518.08
  5. Step 5: Solve for x
    x = 1,054,883,612,518.08/888,191.20
  6. Step 6: Final answer
    x = 1,187,676.27

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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.