Home / 738,453.21-1,107,581.39-205,929.64

Finding the Fourth Proportional to 738,453.21, 1,107,581.39 and 205,929.64

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Solution

The fourth proportional to 738,453.21, 1,107,581.39 and 205,929.64 is: 308,867.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,453.21 : 1,107,581.39 = 205,929.64 : x
  2. Step 2: Convert to fraction form
    738,453.21/1,107,581.39 = 205,929.64/x
  3. Step 3: Cross multiply
    738,453.21x = 1,107,581.39 × 205,929.64
  4. Step 4: Simplify right side
    738,453.21x = 228,083,839,198.82
  5. Step 5: Solve for x
    x = 228,083,839,198.82/738,453.21
  6. Step 6: Final answer
    x = 308,867.02

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1.5x scale

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.