Home / 1,251,121.95-1,876,682.52-1,082,139.95

Finding the Fourth Proportional to 1,251,121.95, 1,876,682.52 and 1,082,139.95

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Solution

The fourth proportional to 1,251,121.95, 1,876,682.52 and 1,082,139.95 is: 1,623,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,121.95 : 1,876,682.52 = 1,082,139.95 : x
  2. Step 2: Convert to fraction form
    1,251,121.95/1,876,682.52 = 1,082,139.95/x
  3. Step 3: Cross multiply
    1,251,121.95x = 1,876,682.52 × 1,082,139.95
  4. Step 4: Simplify right side
    1,251,121.95x = 2,030,833,133,050.38
  5. Step 5: Solve for x
    x = 2,030,833,133,050.38/1,251,121.95
  6. Step 6: Final answer
    x = 1,623,209.58

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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.