Home / 886,928.20-1,330,392.30-255,862.60

Finding the Fourth Proportional to 886,928.20, 1,330,392.30 and 255,862.60

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Solution

The fourth proportional to 886,928.20, 1,330,392.30 and 255,862.60 is: 383,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,928.20 : 1,330,392.30 = 255,862.60 : x
  2. Step 2: Convert to fraction form
    886,928.20/1,330,392.30 = 255,862.60/x
  3. Step 3: Cross multiply
    886,928.20x = 1,330,392.30 × 255,862.60
  4. Step 4: Simplify right side
    886,928.20x = 340,397,632,897.98
  5. Step 5: Solve for x
    x = 340,397,632,897.98/886,928.20
  6. Step 6: Final answer
    x = 383,793.90

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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.