Home / 1,229,352.57-1,696,527.45-678,131.55

Finding the Fourth Proportional to 1,229,352.57, 1,696,527.45 and 678,131.55

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Solution

The fourth proportional to 1,229,352.57, 1,696,527.45 and 678,131.55 is: 935,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,352.57 : 1,696,527.45 = 678,131.55 : x
  2. Step 2: Convert to fraction form
    1,229,352.57/1,696,527.45 = 678,131.55/x
  3. Step 3: Cross multiply
    1,229,352.57x = 1,696,527.45 × 678,131.55
  4. Step 4: Simplify right side
    1,229,352.57x = 1,150,468,789,286.05
  5. Step 5: Solve for x
    x = 1,150,468,789,286.05/1,229,352.57
  6. Step 6: Final answer
    x = 935,833.07

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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.