Home / 1,191,949.57-1,788,144.27-393,286.33

Finding the Fourth Proportional to 1,191,949.57, 1,788,144.27 and 393,286.33

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Solution

The fourth proportional to 1,191,949.57, 1,788,144.27 and 393,286.33 is: 590,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,949.57 : 1,788,144.27 = 393,286.33 : x
  2. Step 2: Convert to fraction form
    1,191,949.57/1,788,144.27 = 393,286.33/x
  3. Step 3: Cross multiply
    1,191,949.57x = 1,788,144.27 × 393,286.33
  4. Step 4: Simplify right side
    1,191,949.57x = 703,252,692,005.25
  5. Step 5: Solve for x
    x = 703,252,692,005.25/1,191,949.57
  6. Step 6: Final answer
    x = 590,002.05

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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.