Home / 379,699.20-523,760.64-236,482.56

Finding the Fourth Proportional to 379,699.20, 523,760.64 and 236,482.56

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Solution

The fourth proportional to 379,699.20, 523,760.64 and 236,482.56 is: 326,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,699.20 : 523,760.64 = 236,482.56 : x
  2. Step 2: Convert to fraction form
    379,699.20/523,760.64 = 236,482.56/x
  3. Step 3: Cross multiply
    379,699.20x = 523,760.64 × 236,482.56
  4. Step 4: Simplify right side
    379,699.20x = 123,860,256,974.44
  5. Step 5: Solve for x
    x = 123,860,256,974.44/379,699.20
  6. Step 6: Final answer
    x = 326,206.26

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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.