Home / 1,138,016.92-1,570,440.54-628,706.20

Finding the Fourth Proportional to 1,138,016.92, 1,570,440.54 and 628,706.20

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Solution

The fourth proportional to 1,138,016.92, 1,570,440.54 and 628,706.20 is: 867,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,016.92 : 1,570,440.54 = 628,706.20 : x
  2. Step 2: Convert to fraction form
    1,138,016.92/1,570,440.54 = 628,706.20/x
  3. Step 3: Cross multiply
    1,138,016.92x = 1,570,440.54 × 628,706.20
  4. Step 4: Simplify right side
    1,138,016.92x = 987,345,704,229.35
  5. Step 5: Solve for x
    x = 987,345,704,229.35/1,138,016.92
  6. Step 6: Final answer
    x = 867,601.95

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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.