Home / 328,983.76-493,442.44-223,047.92

Finding the Fourth Proportional to 328,983.76, 493,442.44 and 223,047.92

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Solution

The fourth proportional to 328,983.76, 493,442.44 and 223,047.92 is: 334,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,983.76 : 493,442.44 = 223,047.92 : x
  2. Step 2: Convert to fraction form
    328,983.76/493,442.44 = 223,047.92/x
  3. Step 3: Cross multiply
    328,983.76x = 493,442.44 × 223,047.92
  4. Step 4: Simplify right side
    328,983.76x = 110,061,309,881.73
  5. Step 5: Solve for x
    x = 110,061,309,881.73/328,983.76
  6. Step 6: Final answer
    x = 334,549.37

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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.