Home / 447,488.24-617,394.52-253,863.96

Finding the Fourth Proportional to 447,488.24, 617,394.52 and 253,863.96

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Solution

The fourth proportional to 447,488.24, 617,394.52 and 253,863.96 is: 350,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,488.24 : 617,394.52 = 253,863.96 : x
  2. Step 2: Convert to fraction form
    447,488.24/617,394.52 = 253,863.96/x
  3. Step 3: Cross multiply
    447,488.24x = 617,394.52 × 253,863.96
  4. Step 4: Simplify right side
    447,488.24x = 156,734,217,729.50
  5. Step 5: Solve for x
    x = 156,734,217,729.50/447,488.24
  6. Step 6: Final answer
    x = 350,253.27

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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.