Home / 769,381.31-1,154,072.87-200,761.99

Finding the Fourth Proportional to 769,381.31, 1,154,072.87 and 200,761.99

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Solution

The fourth proportional to 769,381.31, 1,154,072.87 and 200,761.99 is: 301,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,381.31 : 1,154,072.87 = 200,761.99 : x
  2. Step 2: Convert to fraction form
    769,381.31/1,154,072.87 = 200,761.99/x
  3. Step 3: Cross multiply
    769,381.31x = 1,154,072.87 × 200,761.99
  4. Step 4: Simplify right side
    769,381.31x = 231,693,966,424.99
  5. Step 5: Solve for x
    x = 231,693,966,424.99/769,381.31
  6. Step 6: Final answer
    x = 301,143.22

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Similar ratio
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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.