Home / 799,198.60-1,100,648.82-781,780.36

Finding the Fourth Proportional to 799,198.60, 1,100,648.82 and 781,780.36

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Solution

The fourth proportional to 799,198.60, 1,100,648.82 and 781,780.36 is: 1,076,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,198.60 : 1,100,648.82 = 781,780.36 : x
  2. Step 2: Convert to fraction form
    799,198.60/1,100,648.82 = 781,780.36/x
  3. Step 3: Cross multiply
    799,198.60x = 1,100,648.82 × 781,780.36
  4. Step 4: Simplify right side
    799,198.60x = 860,465,630,733.18
  5. Step 5: Solve for x
    x = 860,465,630,733.18/799,198.60
  6. Step 6: Final answer
    x = 1,076,660.58

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1.5x scale

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.