Home / 1,136,655.57-1,568,584.70-774,711.75

Finding the Fourth Proportional to 1,136,655.57, 1,568,584.70 and 774,711.75

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Solution

The fourth proportional to 1,136,655.57, 1,568,584.70 and 774,711.75 is: 1,069,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,655.57 : 1,568,584.70 = 774,711.75 : x
  2. Step 2: Convert to fraction form
    1,136,655.57/1,568,584.70 = 774,711.75/x
  3. Step 3: Cross multiply
    1,136,655.57x = 1,568,584.70 × 774,711.75
  4. Step 4: Simplify right side
    1,136,655.57x = 1,215,200,997,960.22
  5. Step 5: Solve for x
    x = 1,215,200,997,960.22/1,136,655.57
  6. Step 6: Final answer
    x = 1,069,102.22

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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.