Home / 320,799.12-481,364.60-232,778.32

Finding the Fourth Proportional to 320,799.12, 481,364.60 and 232,778.32

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Solution

The fourth proportional to 320,799.12, 481,364.60 and 232,778.32 is: 349,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,799.12 : 481,364.60 = 232,778.32 : x
  2. Step 2: Convert to fraction form
    320,799.12/481,364.60 = 232,778.32/x
  3. Step 3: Cross multiply
    320,799.12x = 481,364.60 × 232,778.32
  4. Step 4: Simplify right side
    320,799.12x = 112,051,242,895.47
  5. Step 5: Solve for x
    x = 112,051,242,895.47/320,799.12
  6. Step 6: Final answer
    x = 349,287.87

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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.