Home / 1,786,236.23-2,465,017.83-970,439.73

Finding the Fourth Proportional to 1,786,236.23, 2,465,017.83 and 970,439.73

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Solution

The fourth proportional to 1,786,236.23, 2,465,017.83 and 970,439.73 is: 1,339,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,236.23 : 2,465,017.83 = 970,439.73 : x
  2. Step 2: Convert to fraction form
    1,786,236.23/2,465,017.83 = 970,439.73/x
  3. Step 3: Cross multiply
    1,786,236.23x = 2,465,017.83 × 970,439.73
  4. Step 4: Simplify right side
    1,786,236.23x = 2,392,151,237,390.39
  5. Step 5: Solve for x
    x = 2,392,151,237,390.39/1,786,236.23
  6. Step 6: Final answer
    x = 1,339,213.26

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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.