Home / 1,261,168.44-1,740,449.46-688,245.58

Finding the Fourth Proportional to 1,261,168.44, 1,740,449.46 and 688,245.58

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Solution

The fourth proportional to 1,261,168.44, 1,740,449.46 and 688,245.58 is: 949,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,168.44 : 1,740,449.46 = 688,245.58 : x
  2. Step 2: Convert to fraction form
    1,261,168.44/1,740,449.46 = 688,245.58/x
  3. Step 3: Cross multiply
    1,261,168.44x = 1,740,449.46 × 688,245.58
  4. Step 4: Simplify right side
    1,261,168.44x = 1,197,856,648,058.39
  5. Step 5: Solve for x
    x = 1,197,856,648,058.39/1,261,168.44
  6. Step 6: Final answer
    x = 949,799.10

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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.