Home / 1,169,739.80-1,755,387.30-664,299.80

Finding the Fourth Proportional to 1,169,739.80, 1,755,387.30 and 664,299.80

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Solution

The fourth proportional to 1,169,739.80, 1,755,387.30 and 664,299.80 is: 996,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,739.80 : 1,755,387.30 = 664,299.80 : x
  2. Step 2: Convert to fraction form
    1,169,739.80/1,755,387.30 = 664,299.80/x
  3. Step 3: Cross multiply
    1,169,739.80x = 1,755,387.30 × 664,299.80
  4. Step 4: Simplify right side
    1,169,739.80x = 1,166,103,432,312.54
  5. Step 5: Solve for x
    x = 1,166,103,432,312.54/1,169,739.80
  6. Step 6: Final answer
    x = 996,891.30

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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.