Home / 1,229,483.44-1,696,694.55-685,653.61

Finding the Fourth Proportional to 1,229,483.44, 1,696,694.55 and 685,653.61

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Solution

The fourth proportional to 1,229,483.44, 1,696,694.55 and 685,653.61 is: 946,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,483.44 : 1,696,694.55 = 685,653.61 : x
  2. Step 2: Convert to fraction form
    1,229,483.44/1,696,694.55 = 685,653.61/x
  3. Step 3: Cross multiply
    1,229,483.44x = 1,696,694.55 × 685,653.61
  4. Step 4: Simplify right side
    1,229,483.44x = 1,163,344,743,274.83
  5. Step 5: Solve for x
    x = 1,163,344,743,274.83/1,229,483.44
  6. Step 6: Final answer
    x = 946,206.11

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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.