Home / 774,699.08-1,162,115.56-213,733.56

Finding the Fourth Proportional to 774,699.08, 1,162,115.56 and 213,733.56

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Solution

The fourth proportional to 774,699.08, 1,162,115.56 and 213,733.56 is: 320,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,699.08 : 1,162,115.56 = 213,733.56 : x
  2. Step 2: Convert to fraction form
    774,699.08/1,162,115.56 = 213,733.56/x
  3. Step 3: Cross multiply
    774,699.08x = 1,162,115.56 × 213,733.56
  4. Step 4: Simplify right side
    774,699.08x = 248,383,095,770.19
  5. Step 5: Solve for x
    x = 248,383,095,770.19/774,699.08
  6. Step 6: Final answer
    x = 320,618.81

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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.