Home / 993,764.39-1,372,247.38-961,628.82

Finding the Fourth Proportional to 993,764.39, 1,372,247.38 and 961,628.82

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Solution

The fourth proportional to 993,764.39, 1,372,247.38 and 961,628.82 is: 1,327,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,764.39 : 1,372,247.38 = 961,628.82 : x
  2. Step 2: Convert to fraction form
    993,764.39/1,372,247.38 = 961,628.82/x
  3. Step 3: Cross multiply
    993,764.39x = 1,372,247.38 × 961,628.82
  4. Step 4: Simplify right side
    993,764.39x = 1,319,592,617,108.11
  5. Step 5: Solve for x
    x = 1,319,592,617,108.11/993,764.39
  6. Step 6: Final answer
    x = 1,327,872.71

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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.