Home / 766,825.98-1,058,205.66-417,969.36

Finding the Fourth Proportional to 766,825.98, 1,058,205.66 and 417,969.36

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Solution

The fourth proportional to 766,825.98, 1,058,205.66 and 417,969.36 is: 576,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,825.98 : 1,058,205.66 = 417,969.36 : x
  2. Step 2: Convert to fraction form
    766,825.98/1,058,205.66 = 417,969.36/x
  3. Step 3: Cross multiply
    766,825.98x = 1,058,205.66 × 417,969.36
  4. Step 4: Simplify right side
    766,825.98x = 442,297,542,458.58
  5. Step 5: Solve for x
    x = 442,297,542,458.58/766,825.98
  6. Step 6: Final answer
    x = 576,789.98

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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.