Home / 1,085,032.82-1,497,163.28-722,997.38

Finding the Fourth Proportional to 1,085,032.82, 1,497,163.28 and 722,997.38

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Solution

The fourth proportional to 1,085,032.82, 1,497,163.28 and 722,997.38 is: 997,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,032.82 : 1,497,163.28 = 722,997.38 : x
  2. Step 2: Convert to fraction form
    1,085,032.82/1,497,163.28 = 722,997.38/x
  3. Step 3: Cross multiply
    1,085,032.82x = 1,497,163.28 × 722,997.38
  4. Step 4: Simplify right side
    1,085,032.82x = 1,082,445,128,872.21
  5. Step 5: Solve for x
    x = 1,082,445,128,872.21/1,085,032.82
  6. Step 6: Final answer
    x = 997,615.10

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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.