Home / 856,361.36-1,284,571.20-406,850.24

Finding the Fourth Proportional to 856,361.36, 1,284,571.20 and 406,850.24

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Solution

The fourth proportional to 856,361.36, 1,284,571.20 and 406,850.24 is: 610,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,361.36 : 1,284,571.20 = 406,850.24 : x
  2. Step 2: Convert to fraction form
    856,361.36/1,284,571.20 = 406,850.24/x
  3. Step 3: Cross multiply
    856,361.36x = 1,284,571.20 × 406,850.24
  4. Step 4: Simplify right side
    856,361.36x = 522,628,101,017.09
  5. Step 5: Solve for x
    x = 522,628,101,017.09/856,361.36
  6. Step 6: Final answer
    x = 610,289.21

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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.