Home / 1,108,951.90-1,530,362.78-612,251.80

Finding the Fourth Proportional to 1,108,951.90, 1,530,362.78 and 612,251.80

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Solution

The fourth proportional to 1,108,951.90, 1,530,362.78 and 612,251.80 is: 844,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,951.90 : 1,530,362.78 = 612,251.80 : x
  2. Step 2: Convert to fraction form
    1,108,951.90/1,530,362.78 = 612,251.80/x
  3. Step 3: Cross multiply
    1,108,951.90x = 1,530,362.78 × 612,251.80
  4. Step 4: Simplify right side
    1,108,951.90x = 936,967,366,708.00
  5. Step 5: Solve for x
    x = 936,967,366,708.00/1,108,951.90
  6. Step 6: Final answer
    x = 844,912.54

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1.5x scale

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.