Home / 1,091,867.13-1,638,174.82-372,713.86

Finding the Fourth Proportional to 1,091,867.13, 1,638,174.82 and 372,713.86

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Solution

The fourth proportional to 1,091,867.13, 1,638,174.82 and 372,713.86 is: 559,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,867.13 : 1,638,174.82 = 372,713.86 : x
  2. Step 2: Convert to fraction form
    1,091,867.13/1,638,174.82 = 372,713.86/x
  3. Step 3: Cross multiply
    1,091,867.13x = 1,638,174.82 × 372,713.86
  4. Step 4: Simplify right side
    1,091,867.13x = 610,570,458,028.21
  5. Step 5: Solve for x
    x = 610,570,458,028.21/1,091,867.13
  6. Step 6: Final answer
    x = 559,198.49

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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.