Home / 409,992.23-565,789.86-237,943.78

Finding the Fourth Proportional to 409,992.23, 565,789.86 and 237,943.78

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Solution

The fourth proportional to 409,992.23, 565,789.86 and 237,943.78 is: 328,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,992.23 : 565,789.86 = 237,943.78 : x
  2. Step 2: Convert to fraction form
    409,992.23/565,789.86 = 237,943.78/x
  3. Step 3: Cross multiply
    409,992.23x = 565,789.86 × 237,943.78
  4. Step 4: Simplify right side
    409,992.23x = 134,626,175,145.12
  5. Step 5: Solve for x
    x = 134,626,175,145.12/409,992.23
  6. Step 6: Final answer
    x = 328,362.75

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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.