Home / 447,947.49-671,517.84-163,439.46

Finding the Fourth Proportional to 447,947.49, 671,517.84 and 163,439.46

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Solution

The fourth proportional to 447,947.49, 671,517.84 and 163,439.46 is: 245,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,947.49 : 671,517.84 = 163,439.46 : x
  2. Step 2: Convert to fraction form
    447,947.49/671,517.84 = 163,439.46/x
  3. Step 3: Cross multiply
    447,947.49x = 671,517.84 × 163,439.46
  4. Step 4: Simplify right side
    447,947.49x = 109,752,513,149.97
  5. Step 5: Solve for x
    x = 109,752,513,149.97/447,947.49
  6. Step 6: Final answer
    x = 245,012.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.