Home / 681,110.20-1,021,665.30-606,314.80

Finding the Fourth Proportional to 681,110.20, 1,021,665.30 and 606,314.80

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Solution

The fourth proportional to 681,110.20, 1,021,665.30 and 606,314.80 is: 909,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,110.20 : 1,021,665.30 = 606,314.80 : x
  2. Step 2: Convert to fraction form
    681,110.20/1,021,665.30 = 606,314.80/x
  3. Step 3: Cross multiply
    681,110.20x = 1,021,665.30 × 606,314.80
  4. Step 4: Simplify right side
    681,110.20x = 619,450,792,036.44
  5. Step 5: Solve for x
    x = 619,450,792,036.44/681,110.20
  6. Step 6: Final answer
    x = 909,472.20

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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.