Home / 1,247,841.11-1,722,099.47-703,778.39

Finding the Fourth Proportional to 1,247,841.11, 1,722,099.47 and 703,778.39

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Solution

The fourth proportional to 1,247,841.11, 1,722,099.47 and 703,778.39 is: 971,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,841.11 : 1,722,099.47 = 703,778.39 : x
  2. Step 2: Convert to fraction form
    1,247,841.11/1,722,099.47 = 703,778.39/x
  3. Step 3: Cross multiply
    1,247,841.11x = 1,722,099.47 × 703,778.39
  4. Step 4: Simplify right side
    1,247,841.11x = 1,211,976,380,287.06
  5. Step 5: Solve for x
    x = 1,211,976,380,287.06/1,247,841.11
  6. Step 6: Final answer
    x = 971,258.58

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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.