Home / 451,631.69-677,709.97-202,313.69

Finding the Fourth Proportional to 451,631.69, 677,709.97 and 202,313.69

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Solution

The fourth proportional to 451,631.69, 677,709.97 and 202,313.69 is: 303,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,631.69 : 677,709.97 = 202,313.69 : x
  2. Step 2: Convert to fraction form
    451,631.69/677,709.97 = 202,313.69/x
  3. Step 3: Cross multiply
    451,631.69x = 677,709.97 × 202,313.69
  4. Step 4: Simplify right side
    451,631.69x = 137,110,004,780.49
  5. Step 5: Solve for x
    x = 137,110,004,780.49/451,631.69
  6. Step 6: Final answer
    x = 303,588.10

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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.