Home / 769,828.80-1,154,743.20-695,179.20

Finding the Fourth Proportional to 769,828.80, 1,154,743.20 and 695,179.20

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Solution

The fourth proportional to 769,828.80, 1,154,743.20 and 695,179.20 is: 1,042,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,828.80 : 1,154,743.20 = 695,179.20 : x
  2. Step 2: Convert to fraction form
    769,828.80/1,154,743.20 = 695,179.20/x
  3. Step 3: Cross multiply
    769,828.80x = 1,154,743.20 × 695,179.20
  4. Step 4: Simplify right side
    769,828.80x = 802,753,453,981.44
  5. Step 5: Solve for x
    x = 802,753,453,981.44/769,828.80
  6. Step 6: Final answer
    x = 1,042,768.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.