Home / 655,261.13-982,890.87-206,021.22

Finding the Fourth Proportional to 655,261.13, 982,890.87 and 206,021.22

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Solution

The fourth proportional to 655,261.13, 982,890.87 and 206,021.22 is: 309,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,261.13 : 982,890.87 = 206,021.22 : x
  2. Step 2: Convert to fraction form
    655,261.13/982,890.87 = 206,021.22/x
  3. Step 3: Cross multiply
    655,261.13x = 982,890.87 × 206,021.22
  4. Step 4: Simplify right side
    655,261.13x = 202,496,376,164.26
  5. Step 5: Solve for x
    x = 202,496,376,164.26/655,261.13
  6. Step 6: Final answer
    x = 309,031.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.