Home / 1,512,689.76-2,086,850.52-1,082,813.04

Finding the Fourth Proportional to 1,512,689.76, 2,086,850.52 and 1,082,813.04

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Solution

The fourth proportional to 1,512,689.76, 2,086,850.52 and 1,082,813.04 is: 1,493,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,689.76 : 2,086,850.52 = 1,082,813.04 : x
  2. Step 2: Convert to fraction form
    1,512,689.76/2,086,850.52 = 1,082,813.04/x
  3. Step 3: Cross multiply
    1,512,689.76x = 2,086,850.52 × 1,082,813.04
  4. Step 4: Simplify right side
    1,512,689.76x = 2,259,668,955,586.78
  5. Step 5: Solve for x
    x = 2,259,668,955,586.78/1,512,689.76
  6. Step 6: Final answer
    x = 1,493,808.59

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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.