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Finding the Fourth Proportional to 1,194,610.60, 1,789,842.30 and 773,669.80

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Solution

The fourth proportional to 1,194,610.60, 1,789,842.30 and 773,669.80 is: 1,159,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,610.60 : 1,789,842.30 = 773,669.80 : x
  2. Step 2: Convert to fraction form
    1,194,610.60/1,789,842.30 = 773,669.80/x
  3. Step 3: Cross multiply
    1,194,610.60x = 1,789,842.30 × 773,669.80
  4. Step 4: Simplify right side
    1,194,610.60x = 1,384,746,934,272.54
  5. Step 5: Solve for x
    x = 1,384,746,934,272.54/1,194,610.60
  6. Step 6: Final answer
    x = 1,159,161.77

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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.