Home / 1,859,414.40-2,789,121.60-661,375.80

Finding the Fourth Proportional to 1,859,414.40, 2,789,121.60 and 661,375.80

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Solution

The fourth proportional to 1,859,414.40, 2,789,121.60 and 661,375.80 is: 992,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,414.40 : 2,789,121.60 = 661,375.80 : x
  2. Step 2: Convert to fraction form
    1,859,414.40/2,789,121.60 = 661,375.80/x
  3. Step 3: Cross multiply
    1,859,414.40x = 2,789,121.60 × 661,375.80
  4. Step 4: Simplify right side
    1,859,414.40x = 1,844,657,529,497.28
  5. Step 5: Solve for x
    x = 1,844,657,529,497.28/1,859,414.40
  6. Step 6: Final answer
    x = 992,063.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.