Home / 314,246.82-471,371.22-77,589.54

Finding the Fourth Proportional to 314,246.82, 471,371.22 and 77,589.54

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Solution

The fourth proportional to 314,246.82, 471,371.22 and 77,589.54 is: 116,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,246.82 : 471,371.22 = 77,589.54 : x
  2. Step 2: Convert to fraction form
    314,246.82/471,371.22 = 77,589.54/x
  3. Step 3: Cross multiply
    314,246.82x = 471,371.22 × 77,589.54
  4. Step 4: Simplify right side
    314,246.82x = 36,573,476,129.04
  5. Step 5: Solve for x
    x = 36,573,476,129.04/314,246.82
  6. Step 6: Final answer
    x = 116,384.55

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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.