Home / 421,844.94-582,144.48-228,252.06

Finding the Fourth Proportional to 421,844.94, 582,144.48 and 228,252.06

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Solution

The fourth proportional to 421,844.94, 582,144.48 and 228,252.06 is: 314,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,844.94 : 582,144.48 = 228,252.06 : x
  2. Step 2: Convert to fraction form
    421,844.94/582,144.48 = 228,252.06/x
  3. Step 3: Cross multiply
    421,844.94x = 582,144.48 × 228,252.06
  4. Step 4: Simplify right side
    421,844.94x = 132,875,676,777.63
  5. Step 5: Solve for x
    x = 132,875,676,777.63/421,844.94
  6. Step 6: Final answer
    x = 314,987.01

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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.