Home / 1,229,254.20-1,696,246.83-685,338.84

Finding the Fourth Proportional to 1,229,254.20, 1,696,246.83 and 685,338.84

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Solution

The fourth proportional to 1,229,254.20, 1,696,246.83 and 685,338.84 is: 945,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,254.20 : 1,696,246.83 = 685,338.84 : x
  2. Step 2: Convert to fraction form
    1,229,254.20/1,696,246.83 = 685,338.84/x
  3. Step 3: Cross multiply
    1,229,254.20x = 1,696,246.83 × 685,338.84
  4. Step 4: Simplify right side
    1,229,254.20x = 1,162,503,834,825.88
  5. Step 5: Solve for x
    x = 1,162,503,834,825.88/1,229,254.20
  6. Step 6: Final answer
    x = 945,698.49

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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.