Home / 1,229,257.70-1,696,251.66-685,342.34

Finding the Fourth Proportional to 1,229,257.70, 1,696,251.66 and 685,342.34

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Solution

The fourth proportional to 1,229,257.70, 1,696,251.66 and 685,342.34 is: 945,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,257.70 : 1,696,251.66 = 685,342.34 : x
  2. Step 2: Convert to fraction form
    1,229,257.70/1,696,251.66 = 685,342.34/x
  3. Step 3: Cross multiply
    1,229,257.70x = 1,696,251.66 × 685,342.34
  4. Step 4: Simplify right side
    1,229,257.70x = 1,162,513,081,893.28
  5. Step 5: Solve for x
    x = 1,162,513,081,893.28/1,229,257.70
  6. Step 6: Final answer
    x = 945,703.32

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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.