Home / 1,251,113.72-1,876,670.43-1,082,131.83

Finding the Fourth Proportional to 1,251,113.72, 1,876,670.43 and 1,082,131.83

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Solution

The fourth proportional to 1,251,113.72, 1,876,670.43 and 1,082,131.83 is: 1,623,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,113.72 : 1,876,670.43 = 1,082,131.83 : x
  2. Step 2: Convert to fraction form
    1,251,113.72/1,876,670.43 = 1,082,131.83/x
  3. Step 3: Cross multiply
    1,251,113.72x = 1,876,670.43 × 1,082,131.83
  4. Step 4: Simplify right side
    1,251,113.72x = 2,030,804,806,722.79
  5. Step 5: Solve for x
    x = 2,030,804,806,722.79/1,251,113.72
  6. Step 6: Final answer
    x = 1,623,197.62

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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.