Home / 774,713.57-1,162,137.24-213,748.07

Finding the Fourth Proportional to 774,713.57, 1,162,137.24 and 213,748.07

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Solution

The fourth proportional to 774,713.57, 1,162,137.24 and 213,748.07 is: 320,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,713.57 : 1,162,137.24 = 213,748.07 : x
  2. Step 2: Convert to fraction form
    774,713.57/1,162,137.24 = 213,748.07/x
  3. Step 3: Cross multiply
    774,713.57x = 1,162,137.24 × 213,748.07
  4. Step 4: Simplify right side
    774,713.57x = 248,404,586,314.44
  5. Step 5: Solve for x
    x = 248,404,586,314.44/774,713.57
  6. Step 6: Final answer
    x = 320,640.55

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1.5x scale

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.