Home / 1,212,817.56-1,673,696.12-668,968.03

Finding the Fourth Proportional to 1,212,817.56, 1,673,696.12 and 668,968.03

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Solution

The fourth proportional to 1,212,817.56, 1,673,696.12 and 668,968.03 is: 923,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,817.56 : 1,673,696.12 = 668,968.03 : x
  2. Step 2: Convert to fraction form
    1,212,817.56/1,673,696.12 = 668,968.03/x
  3. Step 3: Cross multiply
    1,212,817.56x = 1,673,696.12 × 668,968.03
  4. Step 4: Simplify right side
    1,212,817.56x = 1,119,649,199,563.07
  5. Step 5: Solve for x
    x = 1,119,649,199,563.07/1,212,817.56
  6. Step 6: Final answer
    x = 923,180.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.