Home / 481,441.72-664,410.30-266,581.64

Finding the Fourth Proportional to 481,441.72, 664,410.30 and 266,581.64

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Solution

The fourth proportional to 481,441.72, 664,410.30 and 266,581.64 is: 367,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,441.72 : 664,410.30 = 266,581.64 : x
  2. Step 2: Convert to fraction form
    481,441.72/664,410.30 = 266,581.64/x
  3. Step 3: Cross multiply
    481,441.72x = 664,410.30 × 266,581.64
  4. Step 4: Simplify right side
    481,441.72x = 177,119,587,406.89
  5. Step 5: Solve for x
    x = 177,119,587,406.89/481,441.72
  6. Step 6: Final answer
    x = 367,894.14

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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.