Home / 768,684.59-1,151,761.70-262,969.11

Finding the Fourth Proportional to 768,684.59, 1,151,761.70 and 262,969.11

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Solution

The fourth proportional to 768,684.59, 1,151,761.70 and 262,969.11 is: 394,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,684.59 : 1,151,761.70 = 262,969.11 : x
  2. Step 2: Convert to fraction form
    768,684.59/1,151,761.70 = 262,969.11/x
  3. Step 3: Cross multiply
    768,684.59x = 1,151,761.70 × 262,969.11
  4. Step 4: Simplify right side
    768,684.59x = 302,877,747,866.24
  5. Step 5: Solve for x
    x = 302,877,747,866.24/768,684.59
  6. Step 6: Final answer
    x = 394,020.84

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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.