Home / 671,414.52-1,007,155.25-191,713.49

Finding the Fourth Proportional to 671,414.52, 1,007,155.25 and 191,713.49

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Solution

The fourth proportional to 671,414.52, 1,007,155.25 and 191,713.49 is: 287,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,414.52 : 1,007,155.25 = 191,713.49 : x
  2. Step 2: Convert to fraction form
    671,414.52/1,007,155.25 = 191,713.49/x
  3. Step 3: Cross multiply
    671,414.52x = 1,007,155.25 × 191,713.49
  4. Step 4: Simplify right side
    671,414.52x = 193,085,247,949.32
  5. Step 5: Solve for x
    x = 193,085,247,949.32/671,414.52
  6. Step 6: Final answer
    x = 287,579.79

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Double scale
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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.