Home / 1,498,956.78-2,068,593.15-819,893.28

Finding the Fourth Proportional to 1,498,956.78, 2,068,593.15 and 819,893.28

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Solution

The fourth proportional to 1,498,956.78, 2,068,593.15 and 819,893.28 is: 1,131,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,956.78 : 2,068,593.15 = 819,893.28 : x
  2. Step 2: Convert to fraction form
    1,498,956.78/2,068,593.15 = 819,893.28/x
  3. Step 3: Cross multiply
    1,498,956.78x = 2,068,593.15 × 819,893.28
  4. Step 4: Simplify right side
    1,498,956.78x = 1,696,025,622,739.03
  5. Step 5: Solve for x
    x = 1,696,025,622,739.03/1,498,956.78
  6. Step 6: Final answer
    x = 1,131,470.66

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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.