Home / 490,789.13-736,192.94-153,822.33

Finding the Fourth Proportional to 490,789.13, 736,192.94 and 153,822.33

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Solution

The fourth proportional to 490,789.13, 736,192.94 and 153,822.33 is: 230,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,789.13 : 736,192.94 = 153,822.33 : x
  2. Step 2: Convert to fraction form
    490,789.13/736,192.94 = 153,822.33/x
  3. Step 3: Cross multiply
    490,789.13x = 736,192.94 × 153,822.33
  4. Step 4: Simplify right side
    490,789.13x = 113,242,912,591.24
  5. Step 5: Solve for x
    x = 113,242,912,591.24/490,789.13
  6. Step 6: Final answer
    x = 230,736.39

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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.