Home / 1,605,165.59-2,215,127.97-879,997.73

Finding the Fourth Proportional to 1,605,165.59, 2,215,127.97 and 879,997.73

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Solution

The fourth proportional to 1,605,165.59, 2,215,127.97 and 879,997.73 is: 1,214,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,165.59 : 2,215,127.97 = 879,997.73 : x
  2. Step 2: Convert to fraction form
    1,605,165.59/2,215,127.97 = 879,997.73/x
  3. Step 3: Cross multiply
    1,605,165.59x = 2,215,127.97 × 879,997.73
  4. Step 4: Simplify right side
    1,605,165.59x = 1,949,307,574,183.87
  5. Step 5: Solve for x
    x = 1,949,307,574,183.87/1,605,165.59
  6. Step 6: Final answer
    x = 1,214,396.57

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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.