Home / 498,120.55-746,217.47-417,197.75

Finding the Fourth Proportional to 498,120.55, 746,217.47 and 417,197.75

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Solution

The fourth proportional to 498,120.55, 746,217.47 and 417,197.75 is: 624,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,120.55 : 746,217.47 = 417,197.75 : x
  2. Step 2: Convert to fraction form
    498,120.55/746,217.47 = 417,197.75/x
  3. Step 3: Cross multiply
    498,120.55x = 746,217.47 × 417,197.75
  4. Step 4: Simplify right side
    498,120.55x = 311,320,246,806.60
  5. Step 5: Solve for x
    x = 311,320,246,806.60/498,120.55
  6. Step 6: Final answer
    x = 624,989.77

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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.