Home / 997,513.80-1,496,481.11-323,542.76

Finding the Fourth Proportional to 997,513.80, 1,496,481.11 and 323,542.76

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Solution

The fourth proportional to 997,513.80, 1,496,481.11 and 323,542.76 is: 485,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,513.80 : 1,496,481.11 = 323,542.76 : x
  2. Step 2: Convert to fraction form
    997,513.80/1,496,481.11 = 323,542.76/x
  3. Step 3: Cross multiply
    997,513.80x = 1,496,481.11 × 323,542.76
  4. Step 4: Simplify right side
    997,513.80x = 484,175,626,999.55
  5. Step 5: Solve for x
    x = 484,175,626,999.55/997,513.80
  6. Step 6: Final answer
    x = 485,382.38

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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.