Home / 774,530.34-1,162,250.22-325,216.65

Finding the Fourth Proportional to 774,530.34, 1,162,250.22 and 325,216.65

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Solution

The fourth proportional to 774,530.34, 1,162,250.22 and 325,216.65 is: 488,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,530.34 : 1,162,250.22 = 325,216.65 : x
  2. Step 2: Convert to fraction form
    774,530.34/1,162,250.22 = 325,216.65/x
  3. Step 3: Cross multiply
    774,530.34x = 1,162,250.22 × 325,216.65
  4. Step 4: Simplify right side
    774,530.34x = 377,983,123,010.16
  5. Step 5: Solve for x
    x = 377,983,123,010.16/774,530.34
  6. Step 6: Final answer
    x = 488,015.90

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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.