Home / 1,012,194.84-1,395,924.06-839,839.80

Finding the Fourth Proportional to 1,012,194.84, 1,395,924.06 and 839,839.80

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Solution

The fourth proportional to 1,012,194.84, 1,395,924.06 and 839,839.80 is: 1,158,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,194.84 : 1,395,924.06 = 839,839.80 : x
  2. Step 2: Convert to fraction form
    1,012,194.84/1,395,924.06 = 839,839.80/x
  3. Step 3: Cross multiply
    1,012,194.84x = 1,395,924.06 × 839,839.80
  4. Step 4: Simplify right side
    1,012,194.84x = 1,172,352,583,365.59
  5. Step 5: Solve for x
    x = 1,172,352,583,365.59/1,012,194.84
  6. Step 6: Final answer
    x = 1,158,228.18

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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.