Home / 1,416,395.05-2,124,589.94-443,833.81

Finding the Fourth Proportional to 1,416,395.05, 2,124,589.94 and 443,833.81

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Solution

The fourth proportional to 1,416,395.05, 2,124,589.94 and 443,833.81 is: 665,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,395.05 : 2,124,589.94 = 443,833.81 : x
  2. Step 2: Convert to fraction form
    1,416,395.05/2,124,589.94 = 443,833.81/x
  3. Step 3: Cross multiply
    1,416,395.05x = 2,124,589.94 × 443,833.81
  4. Step 4: Simplify right side
    1,416,395.05x = 942,964,848,867.46
  5. Step 5: Solve for x
    x = 942,964,848,867.46/1,416,395.05
  6. Step 6: Final answer
    x = 665,749.89

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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.