Home / 1,381,772.25-1,906,849.54-801,107.95

Finding the Fourth Proportional to 1,381,772.25, 1,906,849.54 and 801,107.95

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Solution

The fourth proportional to 1,381,772.25, 1,906,849.54 and 801,107.95 is: 1,105,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,772.25 : 1,906,849.54 = 801,107.95 : x
  2. Step 2: Convert to fraction form
    1,381,772.25/1,906,849.54 = 801,107.95/x
  3. Step 3: Cross multiply
    1,381,772.25x = 1,906,849.54 × 801,107.95
  4. Step 4: Simplify right side
    1,381,772.25x = 1,527,592,325,947.84
  5. Step 5: Solve for x
    x = 1,527,592,325,947.84/1,381,772.25
  6. Step 6: Final answer
    x = 1,105,531.20

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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.