Home / 1,641,954.66-2,265,873.89-916,813.77

Finding the Fourth Proportional to 1,641,954.66, 2,265,873.89 and 916,813.77

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Solution

The fourth proportional to 1,641,954.66, 2,265,873.89 and 916,813.77 is: 1,265,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,954.66 : 2,265,873.89 = 916,813.77 : x
  2. Step 2: Convert to fraction form
    1,641,954.66/2,265,873.89 = 916,813.77/x
  3. Step 3: Cross multiply
    1,641,954.66x = 2,265,873.89 × 916,813.77
  4. Step 4: Simplify right side
    1,641,954.66x = 2,077,384,374,398.13
  5. Step 5: Solve for x
    x = 2,077,384,374,398.13/1,641,954.66
  6. Step 6: Final answer
    x = 1,265,189.86

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Why These Related Problems?

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