Home / 377,057.11-520,342.20-204,975.41

Finding the Fourth Proportional to 377,057.11, 520,342.20 and 204,975.41

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Solution

The fourth proportional to 377,057.11, 520,342.20 and 204,975.41 is: 282,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,057.11 : 520,342.20 = 204,975.41 : x
  2. Step 2: Convert to fraction form
    377,057.11/520,342.20 = 204,975.41/x
  3. Step 3: Cross multiply
    377,057.11x = 520,342.20 × 204,975.41
  4. Step 4: Simplify right side
    377,057.11x = 106,657,352,158.71
  5. Step 5: Solve for x
    x = 106,657,352,158.71/377,057.11
  6. Step 6: Final answer
    x = 282,867.90

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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.