Home / 1,077,819.12-1,616,988.39-403,906.29

Finding the Fourth Proportional to 1,077,819.12, 1,616,988.39 and 403,906.29

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Solution

The fourth proportional to 1,077,819.12, 1,616,988.39 and 403,906.29 is: 605,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,819.12 : 1,616,988.39 = 403,906.29 : x
  2. Step 2: Convert to fraction form
    1,077,819.12/1,616,988.39 = 403,906.29/x
  3. Step 3: Cross multiply
    1,077,819.12x = 1,616,988.39 × 403,906.29
  4. Step 4: Simplify right side
    1,077,819.12x = 653,111,781,577.97
  5. Step 5: Solve for x
    x = 653,111,781,577.97/1,077,819.12
  6. Step 6: Final answer
    x = 605,956.76

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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.