Home / 1,165,792.33-1,608,729.24-642,399.85

Finding the Fourth Proportional to 1,165,792.33, 1,608,729.24 and 642,399.85

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Solution

The fourth proportional to 1,165,792.33, 1,608,729.24 and 642,399.85 is: 886,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,792.33 : 1,608,729.24 = 642,399.85 : x
  2. Step 2: Convert to fraction form
    1,165,792.33/1,608,729.24 = 642,399.85/x
  3. Step 3: Cross multiply
    1,165,792.33x = 1,608,729.24 × 642,399.85
  4. Step 4: Simplify right side
    1,165,792.33x = 1,033,447,422,466.61
  5. Step 5: Solve for x
    x = 1,033,447,422,466.61/1,165,792.33
  6. Step 6: Final answer
    x = 886,476.43

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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.