Home / 869,026.83-1,199,215.23-481,857.98

Finding the Fourth Proportional to 869,026.83, 1,199,215.23 and 481,857.98

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Solution

The fourth proportional to 869,026.83, 1,199,215.23 and 481,857.98 is: 664,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,026.83 : 1,199,215.23 = 481,857.98 : x
  2. Step 2: Convert to fraction form
    869,026.83/1,199,215.23 = 481,857.98/x
  3. Step 3: Cross multiply
    869,026.83x = 1,199,215.23 × 481,857.98
  4. Step 4: Simplify right side
    869,026.83x = 577,851,431,321.25
  5. Step 5: Solve for x
    x = 577,851,431,321.25/869,026.83
  6. Step 6: Final answer
    x = 664,940.84

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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.