Home / 1,236,754.66-1,706,680.17-685,446.87

Finding the Fourth Proportional to 1,236,754.66, 1,706,680.17 and 685,446.87

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Solution

The fourth proportional to 1,236,754.66, 1,706,680.17 and 685,446.87 is: 945,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,754.66 : 1,706,680.17 = 685,446.87 : x
  2. Step 2: Convert to fraction form
    1,236,754.66/1,706,680.17 = 685,446.87/x
  3. Step 3: Cross multiply
    1,236,754.66x = 1,706,680.17 × 685,446.87
  4. Step 4: Simplify right side
    1,236,754.66x = 1,169,838,580,617.57
  5. Step 5: Solve for x
    x = 1,169,838,580,617.57/1,236,754.66
  6. Step 6: Final answer
    x = 945,893.81

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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.