Home / 876,869.70-1,315,304.55-799,455.30

Finding the Fourth Proportional to 876,869.70, 1,315,304.55 and 799,455.30

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Solution

The fourth proportional to 876,869.70, 1,315,304.55 and 799,455.30 is: 1,199,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,869.70 : 1,315,304.55 = 799,455.30 : x
  2. Step 2: Convert to fraction form
    876,869.70/1,315,304.55 = 799,455.30/x
  3. Step 3: Cross multiply
    876,869.70x = 1,315,304.55 × 799,455.30
  4. Step 4: Simplify right side
    876,869.70x = 1,051,527,193,611.62
  5. Step 5: Solve for x
    x = 1,051,527,193,611.62/876,869.70
  6. Step 6: Final answer
    x = 1,199,182.95

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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.