Home / 1,229,552.09-1,696,778.58-685,688.49

Finding the Fourth Proportional to 1,229,552.09, 1,696,778.58 and 685,688.49

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Solution

The fourth proportional to 1,229,552.09, 1,696,778.58 and 685,688.49 is: 946,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,552.09 : 1,696,778.58 = 685,688.49 : x
  2. Step 2: Convert to fraction form
    1,229,552.09/1,696,778.58 = 685,688.49/x
  3. Step 3: Cross multiply
    1,229,552.09x = 1,696,778.58 × 685,688.49
  4. Step 4: Simplify right side
    1,229,552.09x = 1,163,461,542,384.54
  5. Step 5: Solve for x
    x = 1,163,461,542,384.54/1,229,552.09
  6. Step 6: Final answer
    x = 946,248.28

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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.