Home / 768,383.99-1,149,721.47-482,737.17

Finding the Fourth Proportional to 768,383.99, 1,149,721.47 and 482,737.17

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Solution

The fourth proportional to 768,383.99, 1,149,721.47 and 482,737.17 is: 722,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,383.99 : 1,149,721.47 = 482,737.17 : x
  2. Step 2: Convert to fraction form
    768,383.99/1,149,721.47 = 482,737.17/x
  3. Step 3: Cross multiply
    768,383.99x = 1,149,721.47 × 482,737.17
  4. Step 4: Simplify right side
    768,383.99x = 555,013,288,716.04
  5. Step 5: Solve for x
    x = 555,013,288,716.04/768,383.99
  6. Step 6: Final answer
    x = 722,312.41

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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.