Home / 681,910.11-1,022,828.31-208,595.52

Finding the Fourth Proportional to 681,910.11, 1,022,828.31 and 208,595.52

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Solution

The fourth proportional to 681,910.11, 1,022,828.31 and 208,595.52 is: 312,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,910.11 : 1,022,828.31 = 208,595.52 : x
  2. Step 2: Convert to fraction form
    681,910.11/1,022,828.31 = 208,595.52/x
  3. Step 3: Cross multiply
    681,910.11x = 1,022,828.31 × 208,595.52
  4. Step 4: Simplify right side
    681,910.11x = 213,357,403,195.17
  5. Step 5: Solve for x
    x = 213,357,403,195.17/681,910.11
  6. Step 6: Final answer
    x = 312,882.01

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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.