Home / 1,277,682.80-1,916,893.55-413,099.33

Finding the Fourth Proportional to 1,277,682.80, 1,916,893.55 and 413,099.33

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Solution

The fourth proportional to 1,277,682.80, 1,916,893.55 and 413,099.33 is: 619,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,682.80 : 1,916,893.55 = 413,099.33 : x
  2. Step 2: Convert to fraction form
    1,277,682.80/1,916,893.55 = 413,099.33/x
  3. Step 3: Cross multiply
    1,277,682.80x = 1,916,893.55 × 413,099.33
  4. Step 4: Simplify right side
    1,277,682.80x = 791,867,432,634.60
  5. Step 5: Solve for x
    x = 791,867,432,634.60/1,277,682.80
  6. Step 6: Final answer
    x = 619,768.41

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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.