Home / 394,352.58-543,569.00-308,161.77

Finding the Fourth Proportional to 394,352.58, 543,569.00 and 308,161.77

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Solution

The fourth proportional to 394,352.58, 543,569.00 and 308,161.77 is: 424,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,352.58 : 543,569.00 = 308,161.77 : x
  2. Step 2: Convert to fraction form
    394,352.58/543,569.00 = 308,161.77/x
  3. Step 3: Cross multiply
    394,352.58x = 543,569.00 × 308,161.77
  4. Step 4: Simplify right side
    394,352.58x = 167,507,184,178.05
  5. Step 5: Solve for x
    x = 167,507,184,178.05/394,352.58
  6. Step 6: Final answer
    x = 424,765.03

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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.