Home / 454,934.40-682,577.52-188,626.56

Finding the Fourth Proportional to 454,934.40, 682,577.52 and 188,626.56

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Solution

The fourth proportional to 454,934.40, 682,577.52 and 188,626.56 is: 283,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,934.40 : 682,577.52 = 188,626.56 : x
  2. Step 2: Convert to fraction form
    454,934.40/682,577.52 = 188,626.56/x
  3. Step 3: Cross multiply
    454,934.40x = 682,577.52 × 188,626.56
  4. Step 4: Simplify right side
    454,934.40x = 128,752,249,530.93
  5. Step 5: Solve for x
    x = 128,752,249,530.93/454,934.40
  6. Step 6: Final answer
    x = 283,012.78

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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.