Home / 1,173,340-1,619,209.20-636,796

Finding the Fourth Proportional to 1,173,340, 1,619,209.20 and 636,796

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Solution

The fourth proportional to 1,173,340, 1,619,209.20 and 636,796 is: 878,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,340 : 1,619,209.20 = 636,796 : x
  2. Step 2: Convert to fraction form
    1,173,340/1,619,209.20 = 636,796/x
  3. Step 3: Cross multiply
    1,173,340x = 1,619,209.20 × 636,796
  4. Step 4: Simplify right side
    1,173,340x = 1,031,105,941,723.20
  5. Step 5: Solve for x
    x = 1,031,105,941,723.20/1,173,340
  6. Step 6: Final answer
    x = 878,778.48

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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.