Home / 1,191,717.94-1,644,551.33-647,867.54

Finding the Fourth Proportional to 1,191,717.94, 1,644,551.33 and 647,867.54

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Solution

The fourth proportional to 1,191,717.94, 1,644,551.33 and 647,867.54 is: 894,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,717.94 : 1,644,551.33 = 647,867.54 : x
  2. Step 2: Convert to fraction form
    1,191,717.94/1,644,551.33 = 647,867.54/x
  3. Step 3: Cross multiply
    1,191,717.94x = 1,644,551.33 × 647,867.54
  4. Step 4: Simplify right side
    1,191,717.94x = 1,065,451,422,639.70
  5. Step 5: Solve for x
    x = 1,065,451,422,639.70/1,191,717.94
  6. Step 6: Final answer
    x = 894,046.64

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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.