Home / 317,631.20-476,452.94-77,747.19

Finding the Fourth Proportional to 317,631.20, 476,452.94 and 77,747.19

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Solution

The fourth proportional to 317,631.20, 476,452.94 and 77,747.19 is: 116,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,631.20 : 476,452.94 = 77,747.19 : x
  2. Step 2: Convert to fraction form
    317,631.20/476,452.94 = 77,747.19/x
  3. Step 3: Cross multiply
    317,631.20x = 476,452.94 × 77,747.19
  4. Step 4: Simplify right side
    317,631.20x = 37,042,876,863.50
  5. Step 5: Solve for x
    x = 37,042,876,863.50/317,631.20
  6. Step 6: Final answer
    x = 116,622.29

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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.