Home / 451,232.36-622,633.38-279,323.24

Finding the Fourth Proportional to 451,232.36, 622,633.38 and 279,323.24

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Solution

The fourth proportional to 451,232.36, 622,633.38 and 279,323.24 is: 385,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,232.36 : 622,633.38 = 279,323.24 : x
  2. Step 2: Convert to fraction form
    451,232.36/622,633.38 = 279,323.24/x
  3. Step 3: Cross multiply
    451,232.36x = 622,633.38 × 279,323.24
  4. Step 4: Simplify right side
    451,232.36x = 173,915,973,033.75
  5. Step 5: Solve for x
    x = 173,915,973,033.75/451,232.36
  6. Step 6: Final answer
    x = 385,424.43

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1.5x scale

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.