Home / 1,522,480.68-2,100,870.22-843,290.28

Finding the Fourth Proportional to 1,522,480.68, 2,100,870.22 and 843,290.28

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Solution

The fourth proportional to 1,522,480.68, 2,100,870.22 and 843,290.28 is: 1,163,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,480.68 : 2,100,870.22 = 843,290.28 : x
  2. Step 2: Convert to fraction form
    1,522,480.68/2,100,870.22 = 843,290.28/x
  3. Step 3: Cross multiply
    1,522,480.68x = 2,100,870.22 × 843,290.28
  4. Step 4: Simplify right side
    1,522,480.68x = 1,771,643,436,067.46
  5. Step 5: Solve for x
    x = 1,771,643,436,067.46/1,522,480.68
  6. Step 6: Final answer
    x = 1,163,655.78

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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.