Home / 455,233.30-628,221.85-251,284.16

Finding the Fourth Proportional to 455,233.30, 628,221.85 and 251,284.16

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Solution

The fourth proportional to 455,233.30, 628,221.85 and 251,284.16 is: 346,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,233.30 : 628,221.85 = 251,284.16 : x
  2. Step 2: Convert to fraction form
    455,233.30/628,221.85 = 251,284.16/x
  3. Step 3: Cross multiply
    455,233.30x = 628,221.85 × 251,284.16
  4. Step 4: Simplify right side
    455,233.30x = 157,862,200,813.24
  5. Step 5: Solve for x
    x = 157,862,200,813.24/455,233.30
  6. Step 6: Final answer
    x = 346,772.09

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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.