Home / 481,228.90-664,243.94-277,416.14

Finding the Fourth Proportional to 481,228.90, 664,243.94 and 277,416.14

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Solution

The fourth proportional to 481,228.90, 664,243.94 and 277,416.14 is: 382,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,228.90 : 664,243.94 = 277,416.14 : x
  2. Step 2: Convert to fraction form
    481,228.90/664,243.94 = 277,416.14/x
  3. Step 3: Cross multiply
    481,228.90x = 664,243.94 × 277,416.14
  4. Step 4: Simplify right side
    481,228.90x = 184,271,989,853.19
  5. Step 5: Solve for x
    x = 184,271,989,853.19/481,228.90
  6. Step 6: Final answer
    x = 382,919.62

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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.