Home / 1,229,592.23-1,696,833.87-685,728.53

Finding the Fourth Proportional to 1,229,592.23, 1,696,833.87 and 685,728.53

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Solution

The fourth proportional to 1,229,592.23, 1,696,833.87 and 685,728.53 is: 946,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,592.23 : 1,696,833.87 = 685,728.53 : x
  2. Step 2: Convert to fraction form
    1,229,592.23/1,696,833.87 = 685,728.53/x
  3. Step 3: Cross multiply
    1,229,592.23x = 1,696,833.87 × 685,728.53
  4. Step 4: Simplify right side
    1,229,592.23x = 1,163,567,395,329.31
  5. Step 5: Solve for x
    x = 1,163,567,395,329.31/1,229,592.23
  6. Step 6: Final answer
    x = 946,303.47

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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.