Home / 1,277,301.23-1,916,321.66-378,764.58

Finding the Fourth Proportional to 1,277,301.23, 1,916,321.66 and 378,764.58

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Solution

The fourth proportional to 1,277,301.23, 1,916,321.66 and 378,764.58 is: 568,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,301.23 : 1,916,321.66 = 378,764.58 : x
  2. Step 2: Convert to fraction form
    1,277,301.23/1,916,321.66 = 378,764.58/x
  3. Step 3: Cross multiply
    1,277,301.23x = 1,916,321.66 × 378,764.58
  4. Step 4: Simplify right side
    1,277,301.23x = 725,834,766,800.98
  5. Step 5: Solve for x
    x = 725,834,766,800.98/1,277,301.23
  6. Step 6: Final answer
    x = 568,256.53

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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.