Home / 641,992.37-962,986.23-192,711.29

Finding the Fourth Proportional to 641,992.37, 962,986.23 and 192,711.29

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Solution

The fourth proportional to 641,992.37, 962,986.23 and 192,711.29 is: 289,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,992.37 : 962,986.23 = 192,711.29 : x
  2. Step 2: Convert to fraction form
    641,992.37/962,986.23 = 192,711.29/x
  3. Step 3: Cross multiply
    641,992.37x = 962,986.23 × 192,711.29
  4. Step 4: Simplify right side
    641,992.37x = 185,578,313,820.61
  5. Step 5: Solve for x
    x = 185,578,313,820.61/641,992.37
  6. Step 6: Final answer
    x = 289,066.23

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1.5x scale

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.