Home / 800,853.20-1,200,925.56-239,783.12

Finding the Fourth Proportional to 800,853.20, 1,200,925.56 and 239,783.12

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Solution

The fourth proportional to 800,853.20, 1,200,925.56 and 239,783.12 is: 359,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,853.20 : 1,200,925.56 = 239,783.12 : x
  2. Step 2: Convert to fraction form
    800,853.20/1,200,925.56 = 239,783.12/x
  3. Step 3: Cross multiply
    800,853.20x = 1,200,925.56 × 239,783.12
  4. Step 4: Simplify right side
    800,853.20x = 287,961,677,664.55
  5. Step 5: Solve for x
    x = 287,961,677,664.55/800,853.20
  6. Step 6: Final answer
    x = 359,568.62

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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.