Home / 470,046.72-704,471.04-220,177.92

Finding the Fourth Proportional to 470,046.72, 704,471.04 and 220,177.92

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Solution

The fourth proportional to 470,046.72, 704,471.04 and 220,177.92 is: 329,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,046.72 : 704,471.04 = 220,177.92 : x
  2. Step 2: Convert to fraction form
    470,046.72/704,471.04 = 220,177.92/x
  3. Step 3: Cross multiply
    470,046.72x = 704,471.04 × 220,177.92
  4. Step 4: Simplify right side
    470,046.72x = 155,108,968,287.44
  5. Step 5: Solve for x
    x = 155,108,968,287.44/470,046.72
  6. Step 6: Final answer
    x = 329,986.28

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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.