Home / 1,540,396.44-2,125,583.48-851,958.90

Finding the Fourth Proportional to 1,540,396.44, 2,125,583.48 and 851,958.90

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Solution

The fourth proportional to 1,540,396.44, 2,125,583.48 and 851,958.90 is: 1,175,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,396.44 : 2,125,583.48 = 851,958.90 : x
  2. Step 2: Convert to fraction form
    1,540,396.44/2,125,583.48 = 851,958.90/x
  3. Step 3: Cross multiply
    1,540,396.44x = 2,125,583.48 × 851,958.90
  4. Step 4: Simplify right side
    1,540,396.44x = 1,810,909,765,608.87
  5. Step 5: Solve for x
    x = 1,810,909,765,608.87/1,540,396.44
  6. Step 6: Final answer
    x = 1,175,612.80

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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.