Home / 1,229,336.30-1,696,442.18-678,073.85

Finding the Fourth Proportional to 1,229,336.30, 1,696,442.18 and 678,073.85

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Solution

The fourth proportional to 1,229,336.30, 1,696,442.18 and 678,073.85 is: 935,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,336.30 : 1,696,442.18 = 678,073.85 : x
  2. Step 2: Convert to fraction form
    1,229,336.30/1,696,442.18 = 678,073.85/x
  3. Step 3: Cross multiply
    1,229,336.30x = 1,696,442.18 × 678,073.85
  4. Step 4: Simplify right side
    1,229,336.30x = 1,150,313,081,458.83
  5. Step 5: Solve for x
    x = 1,150,313,081,458.83/1,229,336.30
  6. Step 6: Final answer
    x = 935,718.79

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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.