Home / 1,285,233.60-1,773,517.92-712,297.92

Finding the Fourth Proportional to 1,285,233.60, 1,773,517.92 and 712,297.92

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Solution

The fourth proportional to 1,285,233.60, 1,773,517.92 and 712,297.92 is: 982,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,233.60 : 1,773,517.92 = 712,297.92 : x
  2. Step 2: Convert to fraction form
    1,285,233.60/1,773,517.92 = 712,297.92/x
  3. Step 3: Cross multiply
    1,285,233.60x = 1,773,517.92 × 712,297.92
  4. Step 4: Simplify right side
    1,285,233.60x = 1,263,273,125,498.73
  5. Step 5: Solve for x
    x = 1,263,273,125,498.73/1,285,233.60
  6. Step 6: Final answer
    x = 982,913.24

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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.