Home / 629,814-944,721.69-156,499.36

Finding the Fourth Proportional to 629,814, 944,721.69 and 156,499.36

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Solution

The fourth proportional to 629,814, 944,721.69 and 156,499.36 is: 234,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,814 : 944,721.69 = 156,499.36 : x
  2. Step 2: Convert to fraction form
    629,814/944,721.69 = 156,499.36/x
  3. Step 3: Cross multiply
    629,814x = 944,721.69 × 156,499.36
  4. Step 4: Simplify right side
    629,814x = 147,848,339,863.12
  5. Step 5: Solve for x
    x = 147,848,339,863.12/629,814
  6. Step 6: Final answer
    x = 234,749.21

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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.