Home / 1,617,326.88-2,231,904.83-892,219.74

Finding the Fourth Proportional to 1,617,326.88, 2,231,904.83 and 892,219.74

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Solution

The fourth proportional to 1,617,326.88, 2,231,904.83 and 892,219.74 is: 1,231,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,326.88 : 2,231,904.83 = 892,219.74 : x
  2. Step 2: Convert to fraction form
    1,617,326.88/2,231,904.83 = 892,219.74/x
  3. Step 3: Cross multiply
    1,617,326.88x = 2,231,904.83 × 892,219.74
  4. Step 4: Simplify right side
    1,617,326.88x = 1,991,349,542,666.25
  5. Step 5: Solve for x
    x = 1,991,349,542,666.25/1,617,326.88
  6. Step 6: Final answer
    x = 1,231,259.78

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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.