Home / 1,012,151.97-1,395,865.07-839,797.05

Finding the Fourth Proportional to 1,012,151.97, 1,395,865.07 and 839,797.05

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Solution

The fourth proportional to 1,012,151.97, 1,395,865.07 and 839,797.05 is: 1,158,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,151.97 : 1,395,865.07 = 839,797.05 : x
  2. Step 2: Convert to fraction form
    1,012,151.97/1,395,865.07 = 839,797.05/x
  3. Step 3: Cross multiply
    1,012,151.97x = 1,395,865.07 × 839,797.05
  4. Step 4: Simplify right side
    1,012,151.97x = 1,172,243,363,785.06
  5. Step 5: Solve for x
    x = 1,172,243,363,785.06/1,012,151.97
  6. Step 6: Final answer
    x = 1,158,169.32

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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.