Home / 1,805,771.56-2,491,992.66-990,053.32

Finding the Fourth Proportional to 1,805,771.56, 2,491,992.66 and 990,053.32

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Solution

The fourth proportional to 1,805,771.56, 2,491,992.66 and 990,053.32 is: 1,366,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,771.56 : 2,491,992.66 = 990,053.32 : x
  2. Step 2: Convert to fraction form
    1,805,771.56/2,491,992.66 = 990,053.32/x
  3. Step 3: Cross multiply
    1,805,771.56x = 2,491,992.66 × 990,053.32
  4. Step 4: Simplify right side
    1,805,771.56x = 2,467,205,606,448.63
  5. Step 5: Solve for x
    x = 2,467,205,606,448.63/1,805,771.56
  6. Step 6: Final answer
    x = 1,366,288.88

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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.