Home / 987,264.22-1,481,442.78-481,829.38

Finding the Fourth Proportional to 987,264.22, 1,481,442.78 and 481,829.38

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Solution

The fourth proportional to 987,264.22, 1,481,442.78 and 481,829.38 is: 723,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,264.22 : 1,481,442.78 = 481,829.38 : x
  2. Step 2: Convert to fraction form
    987,264.22/1,481,442.78 = 481,829.38/x
  3. Step 3: Cross multiply
    987,264.22x = 1,481,442.78 × 481,829.38
  4. Step 4: Simplify right side
    987,264.22x = 713,802,656,192.88
  5. Step 5: Solve for x
    x = 713,802,656,192.88/987,264.22
  6. Step 6: Final answer
    x = 723,010.76

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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.