Home / 814,238.01-1,223,265.68-768,226.57

Finding the Fourth Proportional to 814,238.01, 1,223,265.68 and 768,226.57

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Solution

The fourth proportional to 814,238.01, 1,223,265.68 and 768,226.57 is: 1,154,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,238.01 : 1,223,265.68 = 768,226.57 : x
  2. Step 2: Convert to fraction form
    814,238.01/1,223,265.68 = 768,226.57/x
  3. Step 3: Cross multiply
    814,238.01x = 1,223,265.68 × 768,226.57
  4. Step 4: Simplify right side
    814,238.01x = 939,745,197,545.12
  5. Step 5: Solve for x
    x = 939,745,197,545.12/814,238.01
  6. Step 6: Final answer
    x = 1,154,140.66

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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.