Home / 961,787.40-1,328,395.91-768,863.23

Finding the Fourth Proportional to 961,787.40, 1,328,395.91 and 768,863.23

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Solution

The fourth proportional to 961,787.40, 1,328,395.91 and 768,863.23 is: 1,061,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,787.40 : 1,328,395.91 = 768,863.23 : x
  2. Step 2: Convert to fraction form
    961,787.40/1,328,395.91 = 768,863.23/x
  3. Step 3: Cross multiply
    961,787.40x = 1,328,395.91 × 768,863.23
  4. Step 4: Simplify right side
    961,787.40x = 1,021,354,770,081.39
  5. Step 5: Solve for x
    x = 1,021,354,770,081.39/961,787.40
  6. Step 6: Final answer
    x = 1,061,934.03

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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.