Home / 481,387.08-664,321.16-277,325.40

Finding the Fourth Proportional to 481,387.08, 664,321.16 and 277,325.40

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Solution

The fourth proportional to 481,387.08, 664,321.16 and 277,325.40 is: 382,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,387.08 : 664,321.16 = 277,325.40 : x
  2. Step 2: Convert to fraction form
    481,387.08/664,321.16 = 277,325.40/x
  3. Step 3: Cross multiply
    481,387.08x = 664,321.16 × 277,325.40
  4. Step 4: Simplify right side
    481,387.08x = 184,233,131,425.46
  5. Step 5: Solve for x
    x = 184,233,131,425.46/481,387.08
  6. Step 6: Final answer
    x = 382,713.08

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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.