Home / 656,493.20-984,048.60-256,979.60

Finding the Fourth Proportional to 656,493.20, 984,048.60 and 256,979.60

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Solution

The fourth proportional to 656,493.20, 984,048.60 and 256,979.60 is: 385,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,493.20 : 984,048.60 = 256,979.60 : x
  2. Step 2: Convert to fraction form
    656,493.20/984,048.60 = 256,979.60/x
  3. Step 3: Cross multiply
    656,493.20x = 984,048.60 × 256,979.60
  4. Step 4: Simplify right side
    656,493.20x = 252,880,415,608.56
  5. Step 5: Solve for x
    x = 252,880,415,608.56/656,493.20
  6. Step 6: Final answer
    x = 385,198.83

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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.