Home / 322,619.20-483,928.80-125,627.20

Finding the Fourth Proportional to 322,619.20, 483,928.80 and 125,627.20

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Solution

The fourth proportional to 322,619.20, 483,928.80 and 125,627.20 is: 188,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,619.20 : 483,928.80 = 125,627.20 : x
  2. Step 2: Convert to fraction form
    322,619.20/483,928.80 = 125,627.20/x
  3. Step 3: Cross multiply
    322,619.20x = 483,928.80 × 125,627.20
  4. Step 4: Simplify right side
    322,619.20x = 60,794,620,143.36
  5. Step 5: Solve for x
    x = 60,794,620,143.36/322,619.20
  6. Step 6: Final answer
    x = 188,440.80

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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.