Home / 641,650.82-962,475.01-262,748.21

Finding the Fourth Proportional to 641,650.82, 962,475.01 and 262,748.21

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Solution

The fourth proportional to 641,650.82, 962,475.01 and 262,748.21 is: 394,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,650.82 : 962,475.01 = 262,748.21 : x
  2. Step 2: Convert to fraction form
    641,650.82/962,475.01 = 262,748.21/x
  3. Step 3: Cross multiply
    641,650.82x = 962,475.01 × 262,748.21
  4. Step 4: Simplify right side
    641,650.82x = 252,888,580,577.99
  5. Step 5: Solve for x
    x = 252,888,580,577.99/641,650.82
  6. Step 6: Final answer
    x = 394,121.81

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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.