Home / 1,101,073.20-1,519,541.28-617,791.56

Finding the Fourth Proportional to 1,101,073.20, 1,519,541.28 and 617,791.56

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Solution

The fourth proportional to 1,101,073.20, 1,519,541.28 and 617,791.56 is: 852,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,073.20 : 1,519,541.28 = 617,791.56 : x
  2. Step 2: Convert to fraction form
    1,101,073.20/1,519,541.28 = 617,791.56/x
  3. Step 3: Cross multiply
    1,101,073.20x = 1,519,541.28 × 617,791.56
  4. Step 4: Simplify right side
    1,101,073.20x = 938,759,777,855.60
  5. Step 5: Solve for x
    x = 938,759,777,855.60/1,101,073.20
  6. Step 6: Final answer
    x = 852,586.17

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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.