Home / 451,261.20-622,739.16-250,057.20

Finding the Fourth Proportional to 451,261.20, 622,739.16 and 250,057.20

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Solution

The fourth proportional to 451,261.20, 622,739.16 and 250,057.20 is: 345,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,261.20 : 622,739.16 = 250,057.20 : x
  2. Step 2: Convert to fraction form
    451,261.20/622,739.16 = 250,057.20/x
  3. Step 3: Cross multiply
    451,261.20x = 622,739.16 × 250,057.20
  4. Step 4: Simplify right side
    451,261.20x = 155,720,410,679.95
  5. Step 5: Solve for x
    x = 155,720,410,679.95/451,261.20
  6. Step 6: Final answer
    x = 345,078.22

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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.