Home / 410,399.09-616,532.78-296,896.98

Finding the Fourth Proportional to 410,399.09, 616,532.78 and 296,896.98

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Solution

The fourth proportional to 410,399.09, 616,532.78 and 296,896.98 is: 446,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,399.09 : 616,532.78 = 296,896.98 : x
  2. Step 2: Convert to fraction form
    410,399.09/616,532.78 = 296,896.98/x
  3. Step 3: Cross multiply
    410,399.09x = 616,532.78 × 296,896.98
  4. Step 4: Simplify right side
    410,399.09x = 183,046,721,195.25
  5. Step 5: Solve for x
    x = 183,046,721,195.25/410,399.09
  6. Step 6: Final answer
    x = 446,021.27

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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.