Home / 641,974.37-962,959.23-192,693.29

Finding the Fourth Proportional to 641,974.37, 962,959.23 and 192,693.29

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Solution

The fourth proportional to 641,974.37, 962,959.23 and 192,693.29 is: 289,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,974.37 : 962,959.23 = 192,693.29 : x
  2. Step 2: Convert to fraction form
    641,974.37/962,959.23 = 192,693.29/x
  3. Step 3: Cross multiply
    641,974.37x = 962,959.23 × 192,693.29
  4. Step 4: Simplify right side
    641,974.37x = 185,555,777,349.77
  5. Step 5: Solve for x
    x = 185,555,777,349.77/641,974.37
  6. Step 6: Final answer
    x = 289,039.23

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Double scale
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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.