Home / 808,331.20-1,215,121.20-573,301.60

Finding the Fourth Proportional to 808,331.20, 1,215,121.20 and 573,301.60

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Solution

The fourth proportional to 808,331.20, 1,215,121.20 and 573,301.60 is: 861,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,331.20 : 1,215,121.20 = 573,301.60 : x
  2. Step 2: Convert to fraction form
    808,331.20/1,215,121.20 = 573,301.60/x
  3. Step 3: Cross multiply
    808,331.20x = 1,215,121.20 × 573,301.60
  4. Step 4: Simplify right side
    808,331.20x = 696,630,928,153.92
  5. Step 5: Solve for x
    x = 696,630,928,153.92/808,331.20
  6. Step 6: Final answer
    x = 861,813.73

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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.