Home / 1,229,541.07-1,696,763.40-685,677.49

Finding the Fourth Proportional to 1,229,541.07, 1,696,763.40 and 685,677.49

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Solution

The fourth proportional to 1,229,541.07, 1,696,763.40 and 685,677.49 is: 946,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,541.07 : 1,696,763.40 = 685,677.49 : x
  2. Step 2: Convert to fraction form
    1,229,541.07/1,696,763.40 = 685,677.49/x
  3. Step 3: Cross multiply
    1,229,541.07x = 1,696,763.40 × 685,677.49
  4. Step 4: Simplify right side
    1,229,541.07x = 1,163,432,469,235.87
  5. Step 5: Solve for x
    x = 1,163,432,469,235.87/1,229,541.07
  6. Step 6: Final answer
    x = 946,233.11

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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.