Home / 476,700.24-657,849.15-261,834.78

Finding the Fourth Proportional to 476,700.24, 657,849.15 and 261,834.78

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Solution

The fourth proportional to 476,700.24, 657,849.15 and 261,834.78 is: 361,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,700.24 : 657,849.15 = 261,834.78 : x
  2. Step 2: Convert to fraction form
    476,700.24/657,849.15 = 261,834.78/x
  3. Step 3: Cross multiply
    476,700.24x = 657,849.15 × 261,834.78
  4. Step 4: Simplify right side
    476,700.24x = 172,247,787,463.44
  5. Step 5: Solve for x
    x = 172,247,787,463.44/476,700.24
  6. Step 6: Final answer
    x = 361,333.54

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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.