Home / 394,180.14-543,807.54-291,061.44

Finding the Fourth Proportional to 394,180.14, 543,807.54 and 291,061.44

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Solution

The fourth proportional to 394,180.14, 543,807.54 and 291,061.44 is: 401,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,180.14 : 543,807.54 = 291,061.44 : x
  2. Step 2: Convert to fraction form
    394,180.14/543,807.54 = 291,061.44/x
  3. Step 3: Cross multiply
    394,180.14x = 543,807.54 × 291,061.44
  4. Step 4: Simplify right side
    394,180.14x = 158,281,405,675.26
  5. Step 5: Solve for x
    x = 158,281,405,675.26/394,180.14
  6. Step 6: Final answer
    x = 401,545.87

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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.