Home / 391,914.45-587,733.17-186,724.04

Finding the Fourth Proportional to 391,914.45, 587,733.17 and 186,724.04

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Solution

The fourth proportional to 391,914.45, 587,733.17 and 186,724.04 is: 280,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,914.45 : 587,733.17 = 186,724.04 : x
  2. Step 2: Convert to fraction form
    391,914.45/587,733.17 = 186,724.04/x
  3. Step 3: Cross multiply
    391,914.45x = 587,733.17 × 186,724.04
  4. Step 4: Simplify right side
    391,914.45x = 109,743,908,072.12
  5. Step 5: Solve for x
    x = 109,743,908,072.12/391,914.45
  6. Step 6: Final answer
    x = 280,020.06

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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.