Home / 807,644.00-1,114,556.21-445,080.86

Finding the Fourth Proportional to 807,644.00, 1,114,556.21 and 445,080.86

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Solution

The fourth proportional to 807,644.00, 1,114,556.21 and 445,080.86 is: 614,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,644.00 : 1,114,556.21 = 445,080.86 : x
  2. Step 2: Convert to fraction form
    807,644.00/1,114,556.21 = 445,080.86/x
  3. Step 3: Cross multiply
    807,644.00x = 1,114,556.21 × 445,080.86
  4. Step 4: Simplify right side
    807,644.00x = 496,067,628,666.96
  5. Step 5: Solve for x
    x = 496,067,628,666.96/807,644.00
  6. Step 6: Final answer
    x = 614,215.71

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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.