Home / 412,948.14-569,911.59-231,709.02

Finding the Fourth Proportional to 412,948.14, 569,911.59 and 231,709.02

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Solution

The fourth proportional to 412,948.14, 569,911.59 and 231,709.02 is: 319,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,948.14 : 569,911.59 = 231,709.02 : x
  2. Step 2: Convert to fraction form
    412,948.14/569,911.59 = 231,709.02/x
  3. Step 3: Cross multiply
    412,948.14x = 569,911.59 × 231,709.02
  4. Step 4: Simplify right side
    412,948.14x = 132,053,656,005.54
  5. Step 5: Solve for x
    x = 132,053,656,005.54/412,948.14
  6. Step 6: Final answer
    x = 319,782.66

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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.