Home / 489,839.27-734,766.69-186,238.05

Finding the Fourth Proportional to 489,839.27, 734,766.69 and 186,238.05

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Solution

The fourth proportional to 489,839.27, 734,766.69 and 186,238.05 is: 279,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,839.27 : 734,766.69 = 186,238.05 : x
  2. Step 2: Convert to fraction form
    489,839.27/734,766.69 = 186,238.05/x
  3. Step 3: Cross multiply
    489,839.27x = 734,766.69 × 186,238.05
  4. Step 4: Simplify right side
    489,839.27x = 136,841,517,387.47
  5. Step 5: Solve for x
    x = 136,841,517,387.47/489,839.27
  6. Step 6: Final answer
    x = 279,360.04

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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.