Home / 893,986.88-1,233,720.48-491,577.92

Finding the Fourth Proportional to 893,986.88, 1,233,720.48 and 491,577.92

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Solution

The fourth proportional to 893,986.88, 1,233,720.48 and 491,577.92 is: 678,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,986.88 : 1,233,720.48 = 491,577.92 : x
  2. Step 2: Convert to fraction form
    893,986.88/1,233,720.48 = 491,577.92/x
  3. Step 3: Cross multiply
    893,986.88x = 1,233,720.48 × 491,577.92
  4. Step 4: Simplify right side
    893,986.88x = 606,469,747,419.80
  5. Step 5: Solve for x
    x = 606,469,747,419.80/893,986.88
  6. Step 6: Final answer
    x = 678,387.75

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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.