Home / 384,934.52-531,163.30-212,829.24

Finding the Fourth Proportional to 384,934.52, 531,163.30 and 212,829.24

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Solution

The fourth proportional to 384,934.52, 531,163.30 and 212,829.24 is: 293,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,934.52 : 531,163.30 = 212,829.24 : x
  2. Step 2: Convert to fraction form
    384,934.52/531,163.30 = 212,829.24/x
  3. Step 3: Cross multiply
    384,934.52x = 531,163.30 × 212,829.24
  4. Step 4: Simplify right side
    384,934.52x = 113,047,081,454.89
  5. Step 5: Solve for x
    x = 113,047,081,454.89/384,934.52
  6. Step 6: Final answer
    x = 293,678.73

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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.