Home / 1,277,491.56-1,916,237.60-519,745.36

Finding the Fourth Proportional to 1,277,491.56, 1,916,237.60 and 519,745.36

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Solution

The fourth proportional to 1,277,491.56, 1,916,237.60 and 519,745.36 is: 779,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,491.56 : 1,916,237.60 = 519,745.36 : x
  2. Step 2: Convert to fraction form
    1,277,491.56/1,916,237.60 = 519,745.36/x
  3. Step 3: Cross multiply
    1,277,491.56x = 1,916,237.60 × 519,745.36
  4. Step 4: Simplify right side
    1,277,491.56x = 995,955,601,257.54
  5. Step 5: Solve for x
    x = 995,955,601,257.54/1,277,491.56
  6. Step 6: Final answer
    x = 779,618.15

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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.