Home / 681,877.50-1,022,857.26-208,566.96

Finding the Fourth Proportional to 681,877.50, 1,022,857.26 and 208,566.96

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Solution

The fourth proportional to 681,877.50, 1,022,857.26 and 208,566.96 is: 312,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,877.50 : 1,022,857.26 = 208,566.96 : x
  2. Step 2: Convert to fraction form
    681,877.50/1,022,857.26 = 208,566.96/x
  3. Step 3: Cross multiply
    681,877.50x = 1,022,857.26 × 208,566.96
  4. Step 4: Simplify right side
    681,877.50x = 213,334,228,189.30
  5. Step 5: Solve for x
    x = 213,334,228,189.30/681,877.50
  6. Step 6: Final answer
    x = 312,862.98

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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.