Home / 1,173,218.88-1,619,042.04-636,674.88

Finding the Fourth Proportional to 1,173,218.88, 1,619,042.04 and 636,674.88

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Solution

The fourth proportional to 1,173,218.88, 1,619,042.04 and 636,674.88 is: 878,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,218.88 : 1,619,042.04 = 636,674.88 : x
  2. Step 2: Convert to fraction form
    1,173,218.88/1,619,042.04 = 636,674.88/x
  3. Step 3: Cross multiply
    1,173,218.88x = 1,619,042.04 × 636,674.88
  4. Step 4: Simplify right side
    1,173,218.88x = 1,030,803,396,531.96
  5. Step 5: Solve for x
    x = 1,030,803,396,531.96/1,173,218.88
  6. Step 6: Final answer
    x = 878,611.33

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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.