Home / 452,269.98-678,458.43-199,443.06

Finding the Fourth Proportional to 452,269.98, 678,458.43 and 199,443.06

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Solution

The fourth proportional to 452,269.98, 678,458.43 and 199,443.06 is: 299,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,269.98 : 678,458.43 = 199,443.06 : x
  2. Step 2: Convert to fraction form
    452,269.98/678,458.43 = 199,443.06/x
  3. Step 3: Cross multiply
    452,269.98x = 678,458.43 × 199,443.06
  4. Step 4: Simplify right side
    452,269.98x = 135,313,825,362.00
  5. Step 5: Solve for x
    x = 135,313,825,362.00/452,269.98
  6. Step 6: Final answer
    x = 299,188.16

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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.