Home / 1,412,863.81-1,949,692.72-801,057.75

Finding the Fourth Proportional to 1,412,863.81, 1,949,692.72 and 801,057.75

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Solution

The fourth proportional to 1,412,863.81, 1,949,692.72 and 801,057.75 is: 1,105,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,863.81 : 1,949,692.72 = 801,057.75 : x
  2. Step 2: Convert to fraction form
    1,412,863.81/1,949,692.72 = 801,057.75/x
  3. Step 3: Cross multiply
    1,412,863.81x = 1,949,692.72 × 801,057.75
  4. Step 4: Simplify right side
    1,412,863.81x = 1,561,816,463,474.58
  5. Step 5: Solve for x
    x = 1,561,816,463,474.58/1,412,863.81
  6. Step 6: Final answer
    x = 1,105,426.05

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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.