Home / 481,044.24-721,353.04-256,362.80

Finding the Fourth Proportional to 481,044.24, 721,353.04 and 256,362.80

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Solution

The fourth proportional to 481,044.24, 721,353.04 and 256,362.80 is: 384,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,044.24 : 721,353.04 = 256,362.80 : x
  2. Step 2: Convert to fraction form
    481,044.24/721,353.04 = 256,362.80/x
  3. Step 3: Cross multiply
    481,044.24x = 721,353.04 × 256,362.80
  4. Step 4: Simplify right side
    481,044.24x = 184,928,085,122.91
  5. Step 5: Solve for x
    x = 184,928,085,122.91/481,044.24
  6. Step 6: Final answer
    x = 384,430.52

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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.