Home / 362,932.20-543,815.10-303,445.80

Finding the Fourth Proportional to 362,932.20, 543,815.10 and 303,445.80

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Solution

The fourth proportional to 362,932.20, 543,815.10 and 303,445.80 is: 454,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,932.20 : 543,815.10 = 303,445.80 : x
  2. Step 2: Convert to fraction form
    362,932.20/543,815.10 = 303,445.80/x
  3. Step 3: Cross multiply
    362,932.20x = 543,815.10 × 303,445.80
  4. Step 4: Simplify right side
    362,932.20x = 165,018,408,071.58
  5. Step 5: Solve for x
    x = 165,018,408,071.58/362,932.20
  6. Step 6: Final answer
    x = 454,681.09

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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.