Home / 669,455.76-1,004,183.46-196,140.96

Finding the Fourth Proportional to 669,455.76, 1,004,183.46 and 196,140.96

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Solution

The fourth proportional to 669,455.76, 1,004,183.46 and 196,140.96 is: 294,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,455.76 : 1,004,183.46 = 196,140.96 : x
  2. Step 2: Convert to fraction form
    669,455.76/1,004,183.46 = 196,140.96/x
  3. Step 3: Cross multiply
    669,455.76x = 1,004,183.46 × 196,140.96
  4. Step 4: Simplify right side
    669,455.76x = 196,961,507,860.52
  5. Step 5: Solve for x
    x = 196,961,507,860.52/669,455.76
  6. Step 6: Final answer
    x = 294,211.39

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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.