Home / 1,173,216.88-1,619,039.29-636,672.88

Finding the Fourth Proportional to 1,173,216.88, 1,619,039.29 and 636,672.88

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Solution

The fourth proportional to 1,173,216.88, 1,619,039.29 and 636,672.88 is: 878,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,216.88 : 1,619,039.29 = 636,672.88 : x
  2. Step 2: Convert to fraction form
    1,173,216.88/1,619,039.29 = 636,672.88/x
  3. Step 3: Cross multiply
    1,173,216.88x = 1,619,039.29 × 636,672.88
  4. Step 4: Simplify right side
    1,173,216.88x = 1,030,798,397,910.58
  5. Step 5: Solve for x
    x = 1,030,798,397,910.58/1,173,216.88
  6. Step 6: Final answer
    x = 878,608.57

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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.