Home / 456,391.54-629,610.78-295,299.10

Finding the Fourth Proportional to 456,391.54, 629,610.78 and 295,299.10

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Solution

The fourth proportional to 456,391.54, 629,610.78 and 295,299.10 is: 407,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,391.54 : 629,610.78 = 295,299.10 : x
  2. Step 2: Convert to fraction form
    456,391.54/629,610.78 = 295,299.10/x
  3. Step 3: Cross multiply
    456,391.54x = 629,610.78 × 295,299.10
  4. Step 4: Simplify right side
    456,391.54x = 185,923,496,684.30
  5. Step 5: Solve for x
    x = 185,923,496,684.30/456,391.54
  6. Step 6: Final answer
    x = 407,377.18

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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.