Home / 412,819.15-569,448.47-259,614.33

Finding the Fourth Proportional to 412,819.15, 569,448.47 and 259,614.33

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Solution

The fourth proportional to 412,819.15, 569,448.47 and 259,614.33 is: 358,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,819.15 : 569,448.47 = 259,614.33 : x
  2. Step 2: Convert to fraction form
    412,819.15/569,448.47 = 259,614.33/x
  3. Step 3: Cross multiply
    412,819.15x = 569,448.47 × 259,614.33
  4. Step 4: Simplify right side
    412,819.15x = 147,836,983,008.58
  5. Step 5: Solve for x
    x = 147,836,983,008.58/412,819.15
  6. Step 6: Final answer
    x = 358,115.61

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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.