Home / 1,138,256.68-1,570,793.70-628,954.60

Finding the Fourth Proportional to 1,138,256.68, 1,570,793.70 and 628,954.60

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Solution

The fourth proportional to 1,138,256.68, 1,570,793.70 and 628,954.60 is: 867,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,256.68 : 1,570,793.70 = 628,954.60 : x
  2. Step 2: Convert to fraction form
    1,138,256.68/1,570,793.70 = 628,954.60/x
  3. Step 3: Cross multiply
    1,138,256.68x = 1,570,793.70 × 628,954.60
  4. Step 4: Simplify right side
    1,138,256.68x = 987,957,923,266.02
  5. Step 5: Solve for x
    x = 987,957,923,266.02/1,138,256.68
  6. Step 6: Final answer
    x = 867,957.06

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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.