Home / 656,583.20-984,183.60-257,069.60

Finding the Fourth Proportional to 656,583.20, 984,183.60 and 257,069.60

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Solution

The fourth proportional to 656,583.20, 984,183.60 and 257,069.60 is: 385,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,583.20 : 984,183.60 = 257,069.60 : x
  2. Step 2: Convert to fraction form
    656,583.20/984,183.60 = 257,069.60/x
  3. Step 3: Cross multiply
    656,583.20x = 984,183.60 × 257,069.60
  4. Step 4: Simplify right side
    656,583.20x = 253,003,684,378.56
  5. Step 5: Solve for x
    x = 253,003,684,378.56/656,583.20
  6. Step 6: Final answer
    x = 385,333.78

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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.