Home / 515,172.94-769,007.01-477,183.04

Finding the Fourth Proportional to 515,172.94, 769,007.01 and 477,183.04

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Solution

The fourth proportional to 515,172.94, 769,007.01 and 477,183.04 is: 712,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,172.94 : 769,007.01 = 477,183.04 : x
  2. Step 2: Convert to fraction form
    515,172.94/769,007.01 = 477,183.04/x
  3. Step 3: Cross multiply
    515,172.94x = 769,007.01 × 477,183.04
  4. Step 4: Simplify right side
    515,172.94x = 366,957,102,813.11
  5. Step 5: Solve for x
    x = 366,957,102,813.11/515,172.94
  6. Step 6: Final answer
    x = 712,298.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.