Home / 814,234.01-1,223,259.67-768,222.56

Finding the Fourth Proportional to 814,234.01, 1,223,259.67 and 768,222.56

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Solution

The fourth proportional to 814,234.01, 1,223,259.67 and 768,222.56 is: 1,154,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,234.01 : 1,223,259.67 = 768,222.56 : x
  2. Step 2: Convert to fraction form
    814,234.01/1,223,259.67 = 768,222.56/x
  3. Step 3: Cross multiply
    814,234.01x = 1,223,259.67 × 768,222.56
  4. Step 4: Simplify right side
    814,234.01x = 939,735,679,250.58
  5. Step 5: Solve for x
    x = 939,735,679,250.58/814,234.01
  6. Step 6: Final answer
    x = 1,154,134.65

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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.