Home / 455,768.93-628,833.15-262,166.51

Finding the Fourth Proportional to 455,768.93, 628,833.15 and 262,166.51

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Solution

The fourth proportional to 455,768.93, 628,833.15 and 262,166.51 is: 361,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,768.93 : 628,833.15 = 262,166.51 : x
  2. Step 2: Convert to fraction form
    455,768.93/628,833.15 = 262,166.51/x
  3. Step 3: Cross multiply
    455,768.93x = 628,833.15 × 262,166.51
  4. Step 4: Simplify right side
    455,768.93x = 164,858,989,163.64
  5. Step 5: Solve for x
    x = 164,858,989,163.64/455,768.93
  6. Step 6: Final answer
    x = 361,716.17

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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.