Home / 1,138,161.52-1,570,659.69-628,860.25

Finding the Fourth Proportional to 1,138,161.52, 1,570,659.69 and 628,860.25

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Solution

The fourth proportional to 1,138,161.52, 1,570,659.69 and 628,860.25 is: 867,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,161.52 : 1,570,659.69 = 628,860.25 : x
  2. Step 2: Convert to fraction form
    1,138,161.52/1,570,659.69 = 628,860.25/x
  3. Step 3: Cross multiply
    1,138,161.52x = 1,570,659.69 × 628,860.25
  4. Step 4: Simplify right side
    1,138,161.52x = 987,725,445,318.32
  5. Step 5: Solve for x
    x = 987,725,445,318.32/1,138,161.52
  6. Step 6: Final answer
    x = 867,825.37

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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.