Home / 683,849.16-943,662.42-377,921.88

Finding the Fourth Proportional to 683,849.16, 943,662.42 and 377,921.88

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Solution

The fourth proportional to 683,849.16, 943,662.42 and 377,921.88 is: 521,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,849.16 : 943,662.42 = 377,921.88 : x
  2. Step 2: Convert to fraction form
    683,849.16/943,662.42 = 377,921.88/x
  3. Step 3: Cross multiply
    683,849.16x = 943,662.42 × 377,921.88
  4. Step 4: Simplify right side
    683,849.16x = 356,630,675,851.75
  5. Step 5: Solve for x
    x = 356,630,675,851.75/683,849.16
  6. Step 6: Final answer
    x = 521,504.88

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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.