Home / 868,463.82-1,301,833.69-412,255.62

Finding the Fourth Proportional to 868,463.82, 1,301,833.69 and 412,255.62

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Solution

The fourth proportional to 868,463.82, 1,301,833.69 and 412,255.62 is: 617,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,463.82 : 1,301,833.69 = 412,255.62 : x
  2. Step 2: Convert to fraction form
    868,463.82/1,301,833.69 = 412,255.62/x
  3. Step 3: Cross multiply
    868,463.82x = 1,301,833.69 × 412,255.62
  4. Step 4: Simplify right side
    868,463.82x = 536,688,253,977.20
  5. Step 5: Solve for x
    x = 536,688,253,977.20/868,463.82
  6. Step 6: Final answer
    x = 617,974.22

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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.