Home / 656,222.46-984,415.77-256,811.64

Finding the Fourth Proportional to 656,222.46, 984,415.77 and 256,811.64

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Solution

The fourth proportional to 656,222.46, 984,415.77 and 256,811.64 is: 385,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,222.46 : 984,415.77 = 256,811.64 : x
  2. Step 2: Convert to fraction form
    656,222.46/984,415.77 = 256,811.64/x
  3. Step 3: Cross multiply
    656,222.46x = 984,415.77 × 256,811.64
  4. Step 4: Simplify right side
    656,222.46x = 252,809,428,335.56
  5. Step 5: Solve for x
    x = 252,809,428,335.56/656,222.46
  6. Step 6: Final answer
    x = 385,249.58

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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.