Home / 362,558.20-543,837.30-308,903.80

Finding the Fourth Proportional to 362,558.20, 543,837.30 and 308,903.80

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Solution

The fourth proportional to 362,558.20, 543,837.30 and 308,903.80 is: 463,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,558.20 : 543,837.30 = 308,903.80 : x
  2. Step 2: Convert to fraction form
    362,558.20/543,837.30 = 308,903.80/x
  3. Step 3: Cross multiply
    362,558.20x = 543,837.30 × 308,903.80
  4. Step 4: Simplify right side
    362,558.20x = 167,993,408,551.74
  5. Step 5: Solve for x
    x = 167,993,408,551.74/362,558.20
  6. Step 6: Final answer
    x = 463,355.70

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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.