Home / 886,414.20-1,328,843.70-531,569.40

Finding the Fourth Proportional to 886,414.20, 1,328,843.70 and 531,569.40

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Solution

The fourth proportional to 886,414.20, 1,328,843.70 and 531,569.40 is: 796,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,414.20 : 1,328,843.70 = 531,569.40 : x
  2. Step 2: Convert to fraction form
    886,414.20/1,328,843.70 = 531,569.40/x
  3. Step 3: Cross multiply
    886,414.20x = 1,328,843.70 × 531,569.40
  4. Step 4: Simplify right side
    886,414.20x = 706,372,648,302.78
  5. Step 5: Solve for x
    x = 706,372,648,302.78/886,414.20
  6. Step 6: Final answer
    x = 796,887.78

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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.