Home / 1,580,899.19-2,181,642.17-855,744.66

Finding the Fourth Proportional to 1,580,899.19, 2,181,642.17 and 855,744.66

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Solution

The fourth proportional to 1,580,899.19, 2,181,642.17 and 855,744.66 is: 1,180,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,899.19 : 2,181,642.17 = 855,744.66 : x
  2. Step 2: Convert to fraction form
    1,580,899.19/2,181,642.17 = 855,744.66/x
  3. Step 3: Cross multiply
    1,580,899.19x = 2,181,642.17 × 855,744.66
  4. Step 4: Simplify right side
    1,580,899.19x = 1,866,928,632,729.59
  5. Step 5: Solve for x
    x = 1,866,928,632,729.59/1,580,899.19
  6. Step 6: Final answer
    x = 1,180,928.33

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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.