Home / 911,727.97-1,258,179.78-503,858.14

Finding the Fourth Proportional to 911,727.97, 1,258,179.78 and 503,858.14

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Solution

The fourth proportional to 911,727.97, 1,258,179.78 and 503,858.14 is: 695,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,727.97 : 1,258,179.78 = 503,858.14 : x
  2. Step 2: Convert to fraction form
    911,727.97/1,258,179.78 = 503,858.14/x
  3. Step 3: Cross multiply
    911,727.97x = 1,258,179.78 × 503,858.14
  4. Step 4: Simplify right side
    911,727.97x = 633,944,122,480.43
  5. Step 5: Solve for x
    x = 633,944,122,480.43/911,727.97
  6. Step 6: Final answer
    x = 695,321.57

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1.5x scale

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.