Home / 455,226.14-628,212.11-251,277.11

Finding the Fourth Proportional to 455,226.14, 628,212.11 and 251,277.11

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Solution

The fourth proportional to 455,226.14, 628,212.11 and 251,277.11 is: 346,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,226.14 : 628,212.11 = 251,277.11 : x
  2. Step 2: Convert to fraction form
    455,226.14/628,212.11 = 251,277.11/x
  3. Step 3: Cross multiply
    455,226.14x = 628,212.11 × 251,277.11
  4. Step 4: Simplify right side
    455,226.14x = 157,855,323,193.00
  5. Step 5: Solve for x
    x = 157,855,323,193.00/455,226.14
  6. Step 6: Final answer
    x = 346,762.43

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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.