Home / 1,412,909.25-1,949,755.89-801,103.36

Finding the Fourth Proportional to 1,412,909.25, 1,949,755.89 and 801,103.36

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Solution

The fourth proportional to 1,412,909.25, 1,949,755.89 and 801,103.36 is: 1,105,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,909.25 : 1,949,755.89 = 801,103.36 : x
  2. Step 2: Convert to fraction form
    1,412,909.25/1,949,755.89 = 801,103.36/x
  3. Step 3: Cross multiply
    1,412,909.25x = 1,949,755.89 × 801,103.36
  4. Step 4: Simplify right side
    1,412,909.25x = 1,561,955,993,383.51
  5. Step 5: Solve for x
    x = 1,561,955,993,383.51/1,412,909.25
  6. Step 6: Final answer
    x = 1,105,489.25

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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.