Home / 1,229,680.37-1,843,984.86-653,177.49

Finding the Fourth Proportional to 1,229,680.37, 1,843,984.86 and 653,177.49

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Solution

The fourth proportional to 1,229,680.37, 1,843,984.86 and 653,177.49 is: 979,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,680.37 : 1,843,984.86 = 653,177.49 : x
  2. Step 2: Convert to fraction form
    1,229,680.37/1,843,984.86 = 653,177.49/x
  3. Step 3: Cross multiply
    1,229,680.37x = 1,843,984.86 × 653,177.49
  4. Step 4: Simplify right side
    1,229,680.37x = 1,204,449,400,003.39
  5. Step 5: Solve for x
    x = 1,204,449,400,003.39/1,229,680.37
  6. Step 6: Final answer
    x = 979,481.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.