Home / 1,241,324.92-1,861,936.80-431,894.64

Finding the Fourth Proportional to 1,241,324.92, 1,861,936.80 and 431,894.64

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Solution

The fourth proportional to 1,241,324.92, 1,861,936.80 and 431,894.64 is: 647,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,324.92 : 1,861,936.80 = 431,894.64 : x
  2. Step 2: Convert to fraction form
    1,241,324.92/1,861,936.80 = 431,894.64/x
  3. Step 3: Cross multiply
    1,241,324.92x = 1,861,936.80 × 431,894.64
  4. Step 4: Simplify right side
    1,241,324.92x = 804,160,523,938.75
  5. Step 5: Solve for x
    x = 804,160,523,938.75/1,241,324.92
  6. Step 6: Final answer
    x = 647,824.36

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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.