Home / 455,371.41-628,817.00-283,584.36

Finding the Fourth Proportional to 455,371.41, 628,817.00 and 283,584.36

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Solution

The fourth proportional to 455,371.41, 628,817.00 and 283,584.36 is: 391,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,371.41 : 628,817.00 = 283,584.36 : x
  2. Step 2: Convert to fraction form
    455,371.41/628,817.00 = 283,584.36/x
  3. Step 3: Cross multiply
    455,371.41x = 628,817.00 × 283,584.36
  4. Step 4: Simplify right side
    455,371.41x = 178,322,665,084.20
  5. Step 5: Solve for x
    x = 178,322,665,084.20/455,371.41
  6. Step 6: Final answer
    x = 391,598.29

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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.