Home / 811,878.76-1,217,934.78-250,957

Finding the Fourth Proportional to 811,878.76, 1,217,934.78 and 250,957

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Solution

The fourth proportional to 811,878.76, 1,217,934.78 and 250,957 is: 376,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,878.76 : 1,217,934.78 = 250,957 : x
  2. Step 2: Convert to fraction form
    811,878.76/1,217,934.78 = 250,957/x
  3. Step 3: Cross multiply
    811,878.76x = 1,217,934.78 × 250,957
  4. Step 4: Simplify right side
    811,878.76x = 305,649,258,584.46
  5. Step 5: Solve for x
    x = 305,649,258,584.46/811,878.76
  6. Step 6: Final answer
    x = 376,471.55

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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.