Home / 1,212,893.89-1,673,805.24-669,052.60

Finding the Fourth Proportional to 1,212,893.89, 1,673,805.24 and 669,052.60

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Solution

The fourth proportional to 1,212,893.89, 1,673,805.24 and 669,052.60 is: 923,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,893.89 : 1,673,805.24 = 669,052.60 : x
  2. Step 2: Convert to fraction form
    1,212,893.89/1,673,805.24 = 669,052.60/x
  3. Step 3: Cross multiply
    1,212,893.89x = 1,673,805.24 × 669,052.60
  4. Step 4: Simplify right side
    1,212,893.89x = 1,119,863,743,531.11
  5. Step 5: Solve for x
    x = 1,119,863,743,531.11/1,212,893.89
  6. Step 6: Final answer
    x = 923,299.02

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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.