Home / 404,025.62-606,216.96-211,854.17

Finding the Fourth Proportional to 404,025.62, 606,216.96 and 211,854.17

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Solution

The fourth proportional to 404,025.62, 606,216.96 and 211,854.17 is: 317,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,025.62 : 606,216.96 = 211,854.17 : x
  2. Step 2: Convert to fraction form
    404,025.62/606,216.96 = 211,854.17/x
  3. Step 3: Cross multiply
    404,025.62x = 606,216.96 × 211,854.17
  4. Step 4: Simplify right side
    404,025.62x = 128,429,587,869.64
  5. Step 5: Solve for x
    x = 128,429,587,869.64/404,025.62
  6. Step 6: Final answer
    x = 317,874.87

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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.