Home / 1,229,311.31-1,696,442.60-685,453.61

Finding the Fourth Proportional to 1,229,311.31, 1,696,442.60 and 685,453.61

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Solution

The fourth proportional to 1,229,311.31, 1,696,442.60 and 685,453.61 is: 945,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,311.31 : 1,696,442.60 = 685,453.61 : x
  2. Step 2: Convert to fraction form
    1,229,311.31/1,696,442.60 = 685,453.61/x
  3. Step 3: Cross multiply
    1,229,311.31x = 1,696,442.60 × 685,453.61
  4. Step 4: Simplify right side
    1,229,311.31x = 1,162,832,710,282.53
  5. Step 5: Solve for x
    x = 1,162,832,710,282.53/1,229,311.31
  6. Step 6: Final answer
    x = 945,922.08

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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.