Home / 931,121.10-1,397,658.96-825,182.82

Finding the Fourth Proportional to 931,121.10, 1,397,658.96 and 825,182.82

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Solution

The fourth proportional to 931,121.10, 1,397,658.96 and 825,182.82 is: 1,238,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,121.10 : 1,397,658.96 = 825,182.82 : x
  2. Step 2: Convert to fraction form
    931,121.10/1,397,658.96 = 825,182.82/x
  3. Step 3: Cross multiply
    931,121.10x = 1,397,658.96 × 825,182.82
  4. Step 4: Simplify right side
    931,121.10x = 1,153,324,162,011.07
  5. Step 5: Solve for x
    x = 1,153,324,162,011.07/931,121.10
  6. Step 6: Final answer
    x = 1,238,640.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.