Home / 490,747.73-736,121.76-153,814.52

Finding the Fourth Proportional to 490,747.73, 736,121.76 and 153,814.52

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Solution

The fourth proportional to 490,747.73, 736,121.76 and 153,814.52 is: 230,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,747.73 : 736,121.76 = 153,814.52 : x
  2. Step 2: Convert to fraction form
    490,747.73/736,121.76 = 153,814.52/x
  3. Step 3: Cross multiply
    490,747.73x = 736,121.76 × 153,814.52
  4. Step 4: Simplify right side
    490,747.73x = 113,226,215,175.96
  5. Step 5: Solve for x
    x = 113,226,215,175.96/490,747.73
  6. Step 6: Final answer
    x = 230,721.83

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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.