Home / 1,517,976-2,094,778.80-838,897.92

Finding the Fourth Proportional to 1,517,976, 2,094,778.80 and 838,897.92

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Solution

The fourth proportional to 1,517,976, 2,094,778.80 and 838,897.92 is: 1,157,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,976 : 2,094,778.80 = 838,897.92 : x
  2. Step 2: Convert to fraction form
    1,517,976/2,094,778.80 = 838,897.92/x
  3. Step 3: Cross multiply
    1,517,976x = 2,094,778.80 × 838,897.92
  4. Step 4: Simplify right side
    1,517,976x = 1,757,305,578,180.10
  5. Step 5: Solve for x
    x = 1,757,305,578,180.10/1,517,976
  6. Step 6: Final answer
    x = 1,157,663.61

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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.