Home / 1,272,793.05-1,756,454.09-699,870.33

Finding the Fourth Proportional to 1,272,793.05, 1,756,454.09 and 699,870.33

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Solution

The fourth proportional to 1,272,793.05, 1,756,454.09 and 699,870.33 is: 965,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,793.05 : 1,756,454.09 = 699,870.33 : x
  2. Step 2: Convert to fraction form
    1,272,793.05/1,756,454.09 = 699,870.33/x
  3. Step 3: Cross multiply
    1,272,793.05x = 1,756,454.09 × 699,870.33
  4. Step 4: Simplify right side
    1,272,793.05x = 1,229,290,100,098.80
  5. Step 5: Solve for x
    x = 1,229,290,100,098.80/1,272,793.05
  6. Step 6: Final answer
    x = 965,820.88

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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.