Home / 1,567,694.33-2,351,289.78-430,190.88

Finding the Fourth Proportional to 1,567,694.33, 2,351,289.78 and 430,190.88

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Solution

The fourth proportional to 1,567,694.33, 2,351,289.78 and 430,190.88 is: 645,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,694.33 : 2,351,289.78 = 430,190.88 : x
  2. Step 2: Convert to fraction form
    1,567,694.33/2,351,289.78 = 430,190.88/x
  3. Step 3: Cross multiply
    1,567,694.33x = 2,351,289.78 × 430,190.88
  4. Step 4: Simplify right side
    1,567,694.33x = 1,011,503,419,593.21
  5. Step 5: Solve for x
    x = 1,011,503,419,593.21/1,567,694.33
  6. Step 6: Final answer
    x = 645,217.25

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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.