Home / 1,236,680.34-1,706,615.06-685,431.20

Finding the Fourth Proportional to 1,236,680.34, 1,706,615.06 and 685,431.20

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Solution

The fourth proportional to 1,236,680.34, 1,706,615.06 and 685,431.20 is: 945,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,680.34 : 1,706,615.06 = 685,431.20 : x
  2. Step 2: Convert to fraction form
    1,236,680.34/1,706,615.06 = 685,431.20/x
  3. Step 3: Cross multiply
    1,236,680.34x = 1,706,615.06 × 685,431.20
  4. Step 4: Simplify right side
    1,236,680.34x = 1,169,767,201,694.37
  5. Step 5: Solve for x
    x = 1,169,767,201,694.37/1,236,680.34
  6. Step 6: Final answer
    x = 945,892.94

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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.