Home / 1,085,997.92-1,493,362.70-942,508.86

Finding the Fourth Proportional to 1,085,997.92, 1,493,362.70 and 942,508.86

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Solution

The fourth proportional to 1,085,997.92, 1,493,362.70 and 942,508.86 is: 1,296,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,997.92 : 1,493,362.70 = 942,508.86 : x
  2. Step 2: Convert to fraction form
    1,085,997.92/1,493,362.70 = 942,508.86/x
  3. Step 3: Cross multiply
    1,085,997.92x = 1,493,362.70 × 942,508.86
  4. Step 4: Simplify right side
    1,085,997.92x = 1,407,507,575,943.52
  5. Step 5: Solve for x
    x = 1,407,507,575,943.52/1,085,997.92
  6. Step 6: Final answer
    x = 1,296,049.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.