Home / 1,398,797.57-1,930,343.60-825,874.65

Finding the Fourth Proportional to 1,398,797.57, 1,930,343.60 and 825,874.65

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Solution

The fourth proportional to 1,398,797.57, 1,930,343.60 and 825,874.65 is: 1,139,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,797.57 : 1,930,343.60 = 825,874.65 : x
  2. Step 2: Convert to fraction form
    1,398,797.57/1,930,343.60 = 825,874.65/x
  3. Step 3: Cross multiply
    1,398,797.57x = 1,930,343.60 × 825,874.65
  4. Step 4: Simplify right side
    1,398,797.57x = 1,594,221,847,094.43
  5. Step 5: Solve for x
    x = 1,594,221,847,094.43/1,398,797.57
  6. Step 6: Final answer
    x = 1,139,708.76

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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.