Home / 641,990.37-962,983.23-192,709.29

Finding the Fourth Proportional to 641,990.37, 962,983.23 and 192,709.29

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Solution

The fourth proportional to 641,990.37, 962,983.23 and 192,709.29 is: 289,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,990.37 : 962,983.23 = 192,709.29 : x
  2. Step 2: Convert to fraction form
    641,990.37/962,983.23 = 192,709.29/x
  3. Step 3: Cross multiply
    641,990.37x = 962,983.23 × 192,709.29
  4. Step 4: Simplify right side
    641,990.37x = 185,575,814,535.21
  5. Step 5: Solve for x
    x = 185,575,814,535.21/641,990.37
  6. Step 6: Final answer
    x = 289,063.24

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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.