Home / 447,684.52-671,553.10-127,811.80

Finding the Fourth Proportional to 447,684.52, 671,553.10 and 127,811.80

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Solution

The fourth proportional to 447,684.52, 671,553.10 and 127,811.80 is: 191,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,684.52 : 671,553.10 = 127,811.80 : x
  2. Step 2: Convert to fraction form
    447,684.52/671,553.10 = 127,811.80/x
  3. Step 3: Cross multiply
    447,684.52x = 671,553.10 × 127,811.80
  4. Step 4: Simplify right side
    447,684.52x = 85,832,410,506.58
  5. Step 5: Solve for x
    x = 85,832,410,506.58/447,684.52
  6. Step 6: Final answer
    x = 191,725.21

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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.