Home / 986,383.25-1,361,104.97-572,839.32

Finding the Fourth Proportional to 986,383.25, 1,361,104.97 and 572,839.32

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Solution

The fourth proportional to 986,383.25, 1,361,104.97 and 572,839.32 is: 790,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,383.25 : 1,361,104.97 = 572,839.32 : x
  2. Step 2: Convert to fraction form
    986,383.25/1,361,104.97 = 572,839.32/x
  3. Step 3: Cross multiply
    986,383.25x = 1,361,104.97 × 572,839.32
  4. Step 4: Simplify right side
    986,383.25x = 779,694,436,219.04
  5. Step 5: Solve for x
    x = 779,694,436,219.04/986,383.25
  6. Step 6: Final answer
    x = 790,457.91

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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.