Home / 307,620.04-461,383.98-255,365.32

Finding the Fourth Proportional to 307,620.04, 461,383.98 and 255,365.32

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Solution

The fourth proportional to 307,620.04, 461,383.98 and 255,365.32 is: 383,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,620.04 : 461,383.98 = 255,365.32 : x
  2. Step 2: Convert to fraction form
    307,620.04/461,383.98 = 255,365.32/x
  3. Step 3: Cross multiply
    307,620.04x = 461,383.98 × 255,365.32
  4. Step 4: Simplify right side
    307,620.04x = 117,821,467,695.57
  5. Step 5: Solve for x
    x = 117,821,467,695.57/307,620.04
  6. Step 6: Final answer
    x = 383,009.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.