Home / 1,241,336.96-1,861,954.76-431,906.64

Finding the Fourth Proportional to 1,241,336.96, 1,861,954.76 and 431,906.64

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Solution

The fourth proportional to 1,241,336.96, 1,861,954.76 and 431,906.64 is: 647,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,336.96 : 1,861,954.76 = 431,906.64 : x
  2. Step 2: Convert to fraction form
    1,241,336.96/1,861,954.76 = 431,906.64/x
  3. Step 3: Cross multiply
    1,241,336.96x = 1,861,954.76 × 431,906.64
  4. Step 4: Simplify right side
    1,241,336.96x = 804,190,624,223.61
  5. Step 5: Solve for x
    x = 804,190,624,223.61/1,241,336.96
  6. Step 6: Final answer
    x = 647,842.33

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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.