Home / 986,981.26-1,481,019.31-481,546.39

Finding the Fourth Proportional to 986,981.26, 1,481,019.31 and 481,546.39

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Solution

The fourth proportional to 986,981.26, 1,481,019.31 and 481,546.39 is: 722,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,981.26 : 1,481,019.31 = 481,546.39 : x
  2. Step 2: Convert to fraction form
    986,981.26/1,481,019.31 = 481,546.39/x
  3. Step 3: Cross multiply
    986,981.26x = 1,481,019.31 × 481,546.39
  4. Step 4: Simplify right side
    986,981.26x = 713,179,494,845.69
  5. Step 5: Solve for x
    x = 713,179,494,845.69/986,981.26
  6. Step 6: Final answer
    x = 722,586.67

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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.