Home / 455,814.20-629,023.02-254,610.20

Finding the Fourth Proportional to 455,814.20, 629,023.02 and 254,610.20

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Solution

The fourth proportional to 455,814.20, 629,023.02 and 254,610.20 is: 351,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,814.20 : 629,023.02 = 254,610.20 : x
  2. Step 2: Convert to fraction form
    455,814.20/629,023.02 = 254,610.20/x
  3. Step 3: Cross multiply
    455,814.20x = 629,023.02 × 254,610.20
  4. Step 4: Simplify right side
    455,814.20x = 160,155,676,926.80
  5. Step 5: Solve for x
    x = 160,155,676,926.80/455,814.20
  6. Step 6: Final answer
    x = 351,361.75

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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.