Home / 1,191,866.27-1,787,854.49-393,217.61

Finding the Fourth Proportional to 1,191,866.27, 1,787,854.49 and 393,217.61

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Solution

The fourth proportional to 1,191,866.27, 1,787,854.49 and 393,217.61 is: 589,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,866.27 : 1,787,854.49 = 393,217.61 : x
  2. Step 2: Convert to fraction form
    1,191,866.27/1,787,854.49 = 393,217.61/x
  3. Step 3: Cross multiply
    1,191,866.27x = 1,787,854.49 × 393,217.61
  4. Step 4: Simplify right side
    1,191,866.27x = 703,015,858,680.21
  5. Step 5: Solve for x
    x = 703,015,858,680.21/1,191,866.27
  6. Step 6: Final answer
    x = 589,844.58

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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.