Home / 1,229,564.70-1,696,795.92-685,701.06

Finding the Fourth Proportional to 1,229,564.70, 1,696,795.92 and 685,701.06

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Solution

The fourth proportional to 1,229,564.70, 1,696,795.92 and 685,701.06 is: 946,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,564.70 : 1,696,795.92 = 685,701.06 : x
  2. Step 2: Convert to fraction form
    1,229,564.70/1,696,795.92 = 685,701.06/x
  3. Step 3: Cross multiply
    1,229,564.70x = 1,696,795.92 × 685,701.06
  4. Step 4: Simplify right side
    1,229,564.70x = 1,163,494,760,947.68
  5. Step 5: Solve for x
    x = 1,163,494,760,947.68/1,229,564.70
  6. Step 6: Final answer
    x = 946,265.59

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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.