Home / 1,122,517.85-1,682,727.01-412,355.21

Finding the Fourth Proportional to 1,122,517.85, 1,682,727.01 and 412,355.21

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Solution

The fourth proportional to 1,122,517.85, 1,682,727.01 and 412,355.21 is: 618,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,517.85 : 1,682,727.01 = 412,355.21 : x
  2. Step 2: Convert to fraction form
    1,122,517.85/1,682,727.01 = 412,355.21/x
  3. Step 3: Cross multiply
    1,122,517.85x = 1,682,727.01 × 412,355.21
  4. Step 4: Simplify right side
    1,122,517.85x = 693,881,240,136.70
  5. Step 5: Solve for x
    x = 693,881,240,136.70/1,122,517.85
  6. Step 6: Final answer
    x = 618,147.18

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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.