Home / 1,163,619.78-1,605,992.49-673,518.30

Finding the Fourth Proportional to 1,163,619.78, 1,605,992.49 and 673,518.30

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Solution

The fourth proportional to 1,163,619.78, 1,605,992.49 and 673,518.30 is: 929,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,619.78 : 1,605,992.49 = 673,518.30 : x
  2. Step 2: Convert to fraction form
    1,163,619.78/1,605,992.49 = 673,518.30/x
  3. Step 3: Cross multiply
    1,163,619.78x = 1,605,992.49 × 673,518.30
  4. Step 4: Simplify right side
    1,163,619.78x = 1,081,665,331,677.57
  5. Step 5: Solve for x
    x = 1,081,665,331,677.57/1,163,619.78
  6. Step 6: Final answer
    x = 929,569.39

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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.