Home / 493,921.60-741,257.20-325,384.40

Finding the Fourth Proportional to 493,921.60, 741,257.20 and 325,384.40

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Solution

The fourth proportional to 493,921.60, 741,257.20 and 325,384.40 is: 488,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,921.60 : 741,257.20 = 325,384.40 : x
  2. Step 2: Convert to fraction form
    493,921.60/741,257.20 = 325,384.40/x
  3. Step 3: Cross multiply
    493,921.60x = 741,257.20 × 325,384.40
  4. Step 4: Simplify right side
    493,921.60x = 241,193,529,267.68
  5. Step 5: Solve for x
    x = 241,193,529,267.68/493,921.60
  6. Step 6: Final answer
    x = 488,323.51

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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.