Home / 494,190.40-681,921.78-350,898.16

Finding the Fourth Proportional to 494,190.40, 681,921.78 and 350,898.16

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Solution

The fourth proportional to 494,190.40, 681,921.78 and 350,898.16 is: 484,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,190.40 : 681,921.78 = 350,898.16 : x
  2. Step 2: Convert to fraction form
    494,190.40/681,921.78 = 350,898.16/x
  3. Step 3: Cross multiply
    494,190.40x = 681,921.78 × 350,898.16
  4. Step 4: Simplify right side
    494,190.40x = 239,285,097,865.93
  5. Step 5: Solve for x
    x = 239,285,097,865.93/494,190.40
  6. Step 6: Final answer
    x = 484,196.17

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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.