Home / 1,229,555.46-1,696,783.24-685,691.87

Finding the Fourth Proportional to 1,229,555.46, 1,696,783.24 and 685,691.87

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Solution

The fourth proportional to 1,229,555.46, 1,696,783.24 and 685,691.87 is: 946,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,555.46 : 1,696,783.24 = 685,691.87 : x
  2. Step 2: Convert to fraction form
    1,229,555.46/1,696,783.24 = 685,691.87/x
  3. Step 3: Cross multiply
    1,229,555.46x = 1,696,783.24 × 685,691.87
  4. Step 4: Simplify right side
    1,229,555.46x = 1,163,470,465,193.46
  5. Step 5: Solve for x
    x = 1,163,470,465,193.46/1,229,555.46
  6. Step 6: Final answer
    x = 946,252.93

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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.