Home / 681,093.94-1,021,110.76-440,699.92

Finding the Fourth Proportional to 681,093.94, 1,021,110.76 and 440,699.92

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Solution

The fourth proportional to 681,093.94, 1,021,110.76 and 440,699.92 is: 660,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,093.94 : 1,021,110.76 = 440,699.92 : x
  2. Step 2: Convert to fraction form
    681,093.94/1,021,110.76 = 440,699.92/x
  3. Step 3: Cross multiply
    681,093.94x = 1,021,110.76 × 440,699.92
  4. Step 4: Simplify right side
    681,093.94x = 450,003,430,243.14
  5. Step 5: Solve for x
    x = 450,003,430,243.14/681,093.94
  6. Step 6: Final answer
    x = 660,706.85

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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.