Home / 1,505,109.74-2,077,052.78-816,781.59

Finding the Fourth Proportional to 1,505,109.74, 2,077,052.78 and 816,781.59

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Solution

The fourth proportional to 1,505,109.74, 2,077,052.78 and 816,781.59 is: 1,127,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,109.74 : 2,077,052.78 = 816,781.59 : x
  2. Step 2: Convert to fraction form
    1,505,109.74/2,077,052.78 = 816,781.59/x
  3. Step 3: Cross multiply
    1,505,109.74x = 2,077,052.78 × 816,781.59
  4. Step 4: Simplify right side
    1,505,109.74x = 1,696,498,469,609.88
  5. Step 5: Solve for x
    x = 1,696,498,469,609.88/1,505,109.74
  6. Step 6: Final answer
    x = 1,127,159.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.