Home / 856,201.88-1,180,743.53-511,983.11

Finding the Fourth Proportional to 856,201.88, 1,180,743.53 and 511,983.11

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Solution

The fourth proportional to 856,201.88, 1,180,743.53 and 511,983.11 is: 706,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,201.88 : 1,180,743.53 = 511,983.11 : x
  2. Step 2: Convert to fraction form
    856,201.88/1,180,743.53 = 511,983.11/x
  3. Step 3: Cross multiply
    856,201.88x = 1,180,743.53 × 511,983.11
  4. Step 4: Simplify right side
    856,201.88x = 604,520,747,207.62
  5. Step 5: Solve for x
    x = 604,520,747,207.62/856,201.88
  6. Step 6: Final answer
    x = 706,049.31

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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.