Home / 807,736.50-1,114,684.11-445,173.66

Finding the Fourth Proportional to 807,736.50, 1,114,684.11 and 445,173.66

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Solution

The fourth proportional to 807,736.50, 1,114,684.11 and 445,173.66 is: 614,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,736.50 : 1,114,684.11 = 445,173.66 : x
  2. Step 2: Convert to fraction form
    807,736.50/1,114,684.11 = 445,173.66/x
  3. Step 3: Cross multiply
    807,736.50x = 1,114,684.11 × 445,173.66
  4. Step 4: Simplify right side
    807,736.50x = 496,228,004,992.54
  5. Step 5: Solve for x
    x = 496,228,004,992.54/807,736.50
  6. Step 6: Final answer
    x = 614,343.92

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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.