Home / 1,173,179.46-1,618,987.62-636,635.46

Finding the Fourth Proportional to 1,173,179.46, 1,618,987.62 and 636,635.46

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Solution

The fourth proportional to 1,173,179.46, 1,618,987.62 and 636,635.46 is: 878,556.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,179.46 : 1,618,987.62 = 636,635.46 : x
  2. Step 2: Convert to fraction form
    1,173,179.46/1,618,987.62 = 636,635.46/x
  3. Step 3: Cross multiply
    1,173,179.46x = 1,618,987.62 × 636,635.46
  4. Step 4: Simplify right side
    1,173,179.46x = 1,030,704,928,193.01
  5. Step 5: Solve for x
    x = 1,030,704,928,193.01/1,173,179.46
  6. Step 6: Final answer
    x = 878,556.92

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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.