Home / 1,164,879.36-1,608,029.52-783,127.56

Finding the Fourth Proportional to 1,164,879.36, 1,608,029.52 and 783,127.56

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Solution

The fourth proportional to 1,164,879.36, 1,608,029.52 and 783,127.56 is: 1,081,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,879.36 : 1,608,029.52 = 783,127.56 : x
  2. Step 2: Convert to fraction form
    1,164,879.36/1,608,029.52 = 783,127.56/x
  3. Step 3: Cross multiply
    1,164,879.36x = 1,608,029.52 × 783,127.56
  4. Step 4: Simplify right side
    1,164,879.36x = 1,259,292,234,405.57
  5. Step 5: Solve for x
    x = 1,259,292,234,405.57/1,164,879.36
  6. Step 6: Final answer
    x = 1,081,049.49

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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.