Home / 1,120,944.74-1,681,405.97-513,560.75

Finding the Fourth Proportional to 1,120,944.74, 1,681,405.97 and 513,560.75

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Solution

The fourth proportional to 1,120,944.74, 1,681,405.97 and 513,560.75 is: 770,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,944.74 : 1,681,405.97 = 513,560.75 : x
  2. Step 2: Convert to fraction form
    1,120,944.74/1,681,405.97 = 513,560.75/x
  3. Step 3: Cross multiply
    1,120,944.74x = 1,681,405.97 × 513,560.75
  4. Step 4: Simplify right side
    1,120,944.74x = 863,504,100,032.84
  5. Step 5: Solve for x
    x = 863,504,100,032.84/1,120,944.74
  6. Step 6: Final answer
    x = 770,336.01

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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.