Home / 1,296,670.33-1,787,263.41-866,793.61

Finding the Fourth Proportional to 1,296,670.33, 1,787,263.41 and 866,793.61

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Solution

The fourth proportional to 1,296,670.33, 1,787,263.41 and 866,793.61 is: 1,194,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,670.33 : 1,787,263.41 = 866,793.61 : x
  2. Step 2: Convert to fraction form
    1,296,670.33/1,787,263.41 = 866,793.61/x
  3. Step 3: Cross multiply
    1,296,670.33x = 1,787,263.41 × 866,793.61
  4. Step 4: Simplify right side
    1,296,670.33x = 1,549,188,503,174.81
  5. Step 5: Solve for x
    x = 1,549,188,503,174.81/1,296,670.33
  6. Step 6: Final answer
    x = 1,194,743.54

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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.