Home / 1,369,734-1,890,993.09-826,007.55

Finding the Fourth Proportional to 1,369,734, 1,890,993.09 and 826,007.55

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Solution

The fourth proportional to 1,369,734, 1,890,993.09 and 826,007.55 is: 1,140,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,734 : 1,890,993.09 = 826,007.55 : x
  2. Step 2: Convert to fraction form
    1,369,734/1,890,993.09 = 826,007.55/x
  3. Step 3: Cross multiply
    1,369,734x = 1,890,993.09 × 826,007.55
  4. Step 4: Simplify right side
    1,369,734x = 1,561,974,569,337.83
  5. Step 5: Solve for x
    x = 1,561,974,569,337.83/1,369,734
  6. Step 6: Final answer
    x = 1,140,348.83

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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.