Home / 1,361,944.67-1,879,033.77-878,830.91

Finding the Fourth Proportional to 1,361,944.67, 1,879,033.77 and 878,830.91

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Solution

The fourth proportional to 1,361,944.67, 1,879,033.77 and 878,830.91 is: 1,212,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,944.67 : 1,879,033.77 = 878,830.91 : x
  2. Step 2: Convert to fraction form
    1,361,944.67/1,879,033.77 = 878,830.91/x
  3. Step 3: Cross multiply
    1,361,944.67x = 1,879,033.77 × 878,830.91
  4. Step 4: Simplify right side
    1,361,944.67x = 1,651,352,948,614.66
  5. Step 5: Solve for x
    x = 1,651,352,948,614.66/1,361,944.67
  6. Step 6: Final answer
    x = 1,212,496.35

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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.