Home / 1,276,067.80-1,761,097.66-953,217.39

Finding the Fourth Proportional to 1,276,067.80, 1,761,097.66 and 953,217.39

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Solution

The fourth proportional to 1,276,067.80, 1,761,097.66 and 953,217.39 is: 1,315,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,067.80 : 1,761,097.66 = 953,217.39 : x
  2. Step 2: Convert to fraction form
    1,276,067.80/1,761,097.66 = 953,217.39/x
  3. Step 3: Cross multiply
    1,276,067.80x = 1,761,097.66 × 953,217.39
  4. Step 4: Simplify right side
    1,276,067.80x = 1,678,708,915,608.80
  5. Step 5: Solve for x
    x = 1,678,708,915,608.80/1,276,067.80
  6. Step 6: Final answer
    x = 1,315,532.70

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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.