Home / 481,792.43-664,845.77-266,919.68

Finding the Fourth Proportional to 481,792.43, 664,845.77 and 266,919.68

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Solution

The fourth proportional to 481,792.43, 664,845.77 and 266,919.68 is: 368,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,792.43 : 664,845.77 = 266,919.68 : x
  2. Step 2: Convert to fraction form
    481,792.43/664,845.77 = 266,919.68/x
  3. Step 3: Cross multiply
    481,792.43x = 664,845.77 × 266,919.68
  4. Step 4: Simplify right side
    481,792.43x = 177,460,415,518.93
  5. Step 5: Solve for x
    x = 177,460,415,518.93/481,792.43
  6. Step 6: Final answer
    x = 368,333.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.