Home / 1,660,863.83-2,291,992.07-896,917.32

Finding the Fourth Proportional to 1,660,863.83, 2,291,992.07 and 896,917.32

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Solution

The fourth proportional to 1,660,863.83, 2,291,992.07 and 896,917.32 is: 1,237,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,863.83 : 2,291,992.07 = 896,917.32 : x
  2. Step 2: Convert to fraction form
    1,660,863.83/2,291,992.07 = 896,917.32/x
  3. Step 3: Cross multiply
    1,660,863.83x = 2,291,992.07 × 896,917.32
  4. Step 4: Simplify right side
    1,660,863.83x = 2,055,727,380,401.07
  5. Step 5: Solve for x
    x = 2,055,727,380,401.07/1,660,863.83
  6. Step 6: Final answer
    x = 1,237,745.89

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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.