Home / 681,220.33-1,021,858.54-254,713.01

Finding the Fourth Proportional to 681,220.33, 1,021,858.54 and 254,713.01

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Solution

The fourth proportional to 681,220.33, 1,021,858.54 and 254,713.01 is: 382,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,220.33 : 1,021,858.54 = 254,713.01 : x
  2. Step 2: Convert to fraction form
    681,220.33/1,021,858.54 = 254,713.01/x
  3. Step 3: Cross multiply
    681,220.33x = 1,021,858.54 × 254,713.01
  4. Step 4: Simplify right side
    681,220.33x = 260,280,658,771.53
  5. Step 5: Solve for x
    x = 260,280,658,771.53/681,220.33
  6. Step 6: Final answer
    x = 382,079.99

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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.