Home / 254,433.68-383,479.37-219,318.83

Finding the Fourth Proportional to 254,433.68, 383,479.37 and 219,318.83

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Solution

The fourth proportional to 254,433.68, 383,479.37 and 219,318.83 is: 330,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,433.68 : 383,479.37 = 219,318.83 : x
  2. Step 2: Convert to fraction form
    254,433.68/383,479.37 = 219,318.83/x
  3. Step 3: Cross multiply
    254,433.68x = 383,479.37 × 219,318.83
  4. Step 4: Simplify right side
    254,433.68x = 84,104,245,660.94
  5. Step 5: Solve for x
    x = 84,104,245,660.94/254,433.68
  6. Step 6: Final answer
    x = 330,554.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.