Home / 872,094.43-1,203,819.15-509,636.09

Finding the Fourth Proportional to 872,094.43, 1,203,819.15 and 509,636.09

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Solution

The fourth proportional to 872,094.43, 1,203,819.15 and 509,636.09 is: 703,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,094.43 : 1,203,819.15 = 509,636.09 : x
  2. Step 2: Convert to fraction form
    872,094.43/1,203,819.15 = 509,636.09/x
  3. Step 3: Cross multiply
    872,094.43x = 1,203,819.15 × 509,636.09
  4. Step 4: Simplify right side
    872,094.43x = 613,509,689,593.81
  5. Step 5: Solve for x
    x = 613,509,689,593.81/872,094.43
  6. Step 6: Final answer
    x = 703,489.97

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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.