Home / 1,431,765-2,147,660.46-434,493

Finding the Fourth Proportional to 1,431,765, 2,147,660.46 and 434,493

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Solution

The fourth proportional to 1,431,765, 2,147,660.46 and 434,493 is: 651,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,765 : 2,147,660.46 = 434,493 : x
  2. Step 2: Convert to fraction form
    1,431,765/2,147,660.46 = 434,493/x
  3. Step 3: Cross multiply
    1,431,765x = 2,147,660.46 × 434,493
  4. Step 4: Simplify right side
    1,431,765x = 933,143,436,246.78
  5. Step 5: Solve for x
    x = 933,143,436,246.78/1,431,765
  6. Step 6: Final answer
    x = 651,743.43

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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.