Home / 641,357.85-962,186.49-185,958.61

Finding the Fourth Proportional to 641,357.85, 962,186.49 and 185,958.61

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Solution

The fourth proportional to 641,357.85, 962,186.49 and 185,958.61 is: 278,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,357.85 : 962,186.49 = 185,958.61 : x
  2. Step 2: Convert to fraction form
    641,357.85/962,186.49 = 185,958.61/x
  3. Step 3: Cross multiply
    641,357.85x = 962,186.49 × 185,958.61
  4. Step 4: Simplify right side
    641,357.85x = 178,926,862,241.18
  5. Step 5: Solve for x
    x = 178,926,862,241.18/641,357.85
  6. Step 6: Final answer
    x = 278,981.32

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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.