Home / 681,092.94-1,021,109.27-440,698.92

Finding the Fourth Proportional to 681,092.94, 1,021,109.27 and 440,698.92

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Solution

The fourth proportional to 681,092.94, 1,021,109.27 and 440,698.92 is: 660,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,092.94 : 1,021,109.27 = 440,698.92 : x
  2. Step 2: Convert to fraction form
    681,092.94/1,021,109.27 = 440,698.92/x
  3. Step 3: Cross multiply
    681,092.94x = 1,021,109.27 × 440,698.92
  4. Step 4: Simplify right side
    681,092.94x = 450,001,745,181.95
  5. Step 5: Solve for x
    x = 450,001,745,181.95/681,092.94
  6. Step 6: Final answer
    x = 660,705.34

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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.