Home / 1,226.89-1,839.28-404.94

Finding the Fourth Proportional to 1,226.89, 1,839.28 and 404.94

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Solution

The fourth proportional to 1,226.89, 1,839.28 and 404.94 is: 607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.89 : 1,839.28 = 404.94 : x
  2. Step 2: Convert to fraction form
    1,226.89/1,839.28 = 404.94/x
  3. Step 3: Cross multiply
    1,226.89x = 1,839.28 × 404.94
  4. Step 4: Simplify right side
    1,226.89x = 744,798.04
  5. Step 5: Solve for x
    x = 744,798.04/1,226.89
  6. Step 6: Final answer
    x = 607.06

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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.