Home / 1,361,944.43-1,879,033.43-878,830.66

Finding the Fourth Proportional to 1,361,944.43, 1,879,033.43 and 878,830.66

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Solution

The fourth proportional to 1,361,944.43, 1,879,033.43 and 878,830.66 is: 1,212,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,944.43 : 1,879,033.43 = 878,830.66 : x
  2. Step 2: Convert to fraction form
    1,361,944.43/1,879,033.43 = 878,830.66/x
  3. Step 3: Cross multiply
    1,361,944.43x = 1,879,033.43 × 878,830.66
  4. Step 4: Simplify right side
    1,361,944.43x = 1,651,352,175,659.64
  5. Step 5: Solve for x
    x = 1,651,352,175,659.64/1,361,944.43
  6. Step 6: Final answer
    x = 1,212,496.01

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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.