Home / 1,131,879.48-1,694,979.96-676,189.68

Finding the Fourth Proportional to 1,131,879.48, 1,694,979.96 and 676,189.68

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Solution

The fourth proportional to 1,131,879.48, 1,694,979.96 and 676,189.68 is: 1,012,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,879.48 : 1,694,979.96 = 676,189.68 : x
  2. Step 2: Convert to fraction form
    1,131,879.48/1,694,979.96 = 676,189.68/x
  3. Step 3: Cross multiply
    1,131,879.48x = 1,694,979.96 × 676,189.68
  4. Step 4: Simplify right side
    1,131,879.48x = 1,146,127,956,758.81
  5. Step 5: Solve for x
    x = 1,146,127,956,758.81/1,131,879.48
  6. Step 6: Final answer
    x = 1,012,588.33

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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.