Home / 1,173,363.62-1,619,242.45-636,819.62

Finding the Fourth Proportional to 1,173,363.62, 1,619,242.45 and 636,819.62

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Solution

The fourth proportional to 1,173,363.62, 1,619,242.45 and 636,819.62 is: 878,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,363.62 : 1,619,242.45 = 636,819.62 : x
  2. Step 2: Convert to fraction form
    1,173,363.62/1,619,242.45 = 636,819.62/x
  3. Step 3: Cross multiply
    1,173,363.62x = 1,619,242.45 × 636,819.62
  4. Step 4: Simplify right side
    1,173,363.62x = 1,031,165,352,008.61
  5. Step 5: Solve for x
    x = 1,031,165,352,008.61/1,173,363.62
  6. Step 6: Final answer
    x = 878,811.43

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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.