Home / 1,282,836.20-1,770,185.94-709,796.84

Finding the Fourth Proportional to 1,282,836.20, 1,770,185.94 and 709,796.84

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Solution

The fourth proportional to 1,282,836.20, 1,770,185.94 and 709,796.84 is: 979,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,836.20 : 1,770,185.94 = 709,796.84 : x
  2. Step 2: Convert to fraction form
    1,282,836.20/1,770,185.94 = 709,796.84/x
  3. Step 3: Cross multiply
    1,282,836.20x = 1,770,185.94 × 709,796.84
  4. Step 4: Simplify right side
    1,282,836.20x = 1,256,472,386,424.43
  5. Step 5: Solve for x
    x = 1,256,472,386,424.43/1,282,836.20
  6. Step 6: Final answer
    x = 979,448.81

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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.