Home / 801,819.43-1,106,512.12-439,235.33

Finding the Fourth Proportional to 801,819.43, 1,106,512.12 and 439,235.33

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Solution

The fourth proportional to 801,819.43, 1,106,512.12 and 439,235.33 is: 606,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,819.43 : 1,106,512.12 = 439,235.33 : x
  2. Step 2: Convert to fraction form
    801,819.43/1,106,512.12 = 439,235.33/x
  3. Step 3: Cross multiply
    801,819.43x = 1,106,512.12 × 439,235.33
  4. Step 4: Simplify right side
    801,819.43x = 486,019,212,312.83
  5. Step 5: Solve for x
    x = 486,019,212,312.83/801,819.43
  6. Step 6: Final answer
    x = 606,145.47

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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.