Home / 1,991,093.30-2,986,631.39-551,772.57

Finding the Fourth Proportional to 1,991,093.30, 2,986,631.39 and 551,772.57

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Solution

The fourth proportional to 1,991,093.30, 2,986,631.39 and 551,772.57 is: 827,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,093.30 : 2,986,631.39 = 551,772.57 : x
  2. Step 2: Convert to fraction form
    1,991,093.30/2,986,631.39 = 551,772.57/x
  3. Step 3: Cross multiply
    1,991,093.30x = 2,986,631.39 × 551,772.57
  4. Step 4: Simplify right side
    1,991,093.30x = 1,647,941,277,702.97
  5. Step 5: Solve for x
    x = 1,647,941,277,702.97/1,991,093.30
  6. Step 6: Final answer
    x = 827,656.48

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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.