Home / 519,725.38-778,960.23-253,086.34

Finding the Fourth Proportional to 519,725.38, 778,960.23 and 253,086.34

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Solution

The fourth proportional to 519,725.38, 778,960.23 and 253,086.34 is: 379,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,725.38 : 778,960.23 = 253,086.34 : x
  2. Step 2: Convert to fraction form
    519,725.38/778,960.23 = 253,086.34/x
  3. Step 3: Cross multiply
    519,725.38x = 778,960.23 × 253,086.34
  4. Step 4: Simplify right side
    519,725.38x = 197,144,193,616.26
  5. Step 5: Solve for x
    x = 197,144,193,616.26/519,725.38
  6. Step 6: Final answer
    x = 379,323.78

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Similar ratio
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1.5x scale

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.