Home / 1,136,716.56-1,568,658.84-627,408

Finding the Fourth Proportional to 1,136,716.56, 1,568,658.84 and 627,408

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Solution

The fourth proportional to 1,136,716.56, 1,568,658.84 and 627,408 is: 865,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,716.56 : 1,568,658.84 = 627,408 : x
  2. Step 2: Convert to fraction form
    1,136,716.56/1,568,658.84 = 627,408/x
  3. Step 3: Cross multiply
    1,136,716.56x = 1,568,658.84 × 627,408
  4. Step 4: Simplify right side
    1,136,716.56x = 984,189,105,486.72
  5. Step 5: Solve for x
    x = 984,189,105,486.72/1,136,716.56
  6. Step 6: Final answer
    x = 865,817.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.