Home / 412,917.51-619,175.79-242,185.71

Finding the Fourth Proportional to 412,917.51, 619,175.79 and 242,185.71

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Solution

The fourth proportional to 412,917.51, 619,175.79 and 242,185.71 is: 363,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,917.51 : 619,175.79 = 242,185.71 : x
  2. Step 2: Convert to fraction form
    412,917.51/619,175.79 = 242,185.71/x
  3. Step 3: Cross multiply
    412,917.51x = 619,175.79 × 242,185.71
  4. Step 4: Simplify right side
    412,917.51x = 149,955,528,315.96
  5. Step 5: Solve for x
    x = 149,955,528,315.96/412,917.51
  6. Step 6: Final answer
    x = 363,160.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.