Home / 669,584.64-1,004,515.20-196,285.44

Finding the Fourth Proportional to 669,584.64, 1,004,515.20 and 196,285.44

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Solution

The fourth proportional to 669,584.64, 1,004,515.20 and 196,285.44 is: 294,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,584.64 : 1,004,515.20 = 196,285.44 : x
  2. Step 2: Convert to fraction form
    669,584.64/1,004,515.20 = 196,285.44/x
  3. Step 3: Cross multiply
    669,584.64x = 1,004,515.20 × 196,285.44
  4. Step 4: Simplify right side
    669,584.64x = 197,171,708,018.69
  5. Step 5: Solve for x
    x = 197,171,708,018.69/669,584.64
  6. Step 6: Final answer
    x = 294,468.68

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Double scale
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Similar ratio
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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.