Home / 986,995.63-1,481,040.87-481,560.76

Finding the Fourth Proportional to 986,995.63, 1,481,040.87 and 481,560.76

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Solution

The fourth proportional to 986,995.63, 1,481,040.87 and 481,560.76 is: 722,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,995.63 : 1,481,040.87 = 481,560.76 : x
  2. Step 2: Convert to fraction form
    986,995.63/1,481,040.87 = 481,560.76/x
  3. Step 3: Cross multiply
    986,995.63x = 1,481,040.87 × 481,560.76
  4. Step 4: Simplify right side
    986,995.63x = 713,211,166,948.26
  5. Step 5: Solve for x
    x = 713,211,166,948.26/986,995.63
  6. Step 6: Final answer
    x = 722,608.23

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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.