Home / 805,553.54-1,111,692.42-443,004.98

Finding the Fourth Proportional to 805,553.54, 1,111,692.42 and 443,004.98

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Solution

The fourth proportional to 805,553.54, 1,111,692.42 and 443,004.98 is: 611,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,553.54 : 1,111,692.42 = 443,004.98 : x
  2. Step 2: Convert to fraction form
    805,553.54/1,111,692.42 = 443,004.98/x
  3. Step 3: Cross multiply
    805,553.54x = 1,111,692.42 × 443,004.98
  4. Step 4: Simplify right side
    805,553.54x = 492,485,278,288.25
  5. Step 5: Solve for x
    x = 492,485,278,288.25/805,553.54
  6. Step 6: Final answer
    x = 611,362.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.