Home / 389,016.27-536,857.47-219,246.75

Finding the Fourth Proportional to 389,016.27, 536,857.47 and 219,246.75

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Solution

The fourth proportional to 389,016.27, 536,857.47 and 219,246.75 is: 302,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,016.27 : 536,857.47 = 219,246.75 : x
  2. Step 2: Convert to fraction form
    389,016.27/536,857.47 = 219,246.75/x
  3. Step 3: Cross multiply
    389,016.27x = 536,857.47 × 219,246.75
  4. Step 4: Simplify right side
    389,016.27x = 117,704,255,510.72
  5. Step 5: Solve for x
    x = 117,704,255,510.72/389,016.27
  6. Step 6: Final answer
    x = 302,568.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.