Home / 774,717.56-1,162,143.24-213,752.06

Finding the Fourth Proportional to 774,717.56, 1,162,143.24 and 213,752.06

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Solution

The fourth proportional to 774,717.56, 1,162,143.24 and 213,752.06 is: 320,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,717.56 : 1,162,143.24 = 213,752.06 : x
  2. Step 2: Convert to fraction form
    774,717.56/1,162,143.24 = 213,752.06/x
  3. Step 3: Cross multiply
    774,717.56x = 1,162,143.24 × 213,752.06
  4. Step 4: Simplify right side
    774,717.56x = 248,410,511,565.07
  5. Step 5: Solve for x
    x = 248,410,511,565.07/774,717.56
  6. Step 6: Final answer
    x = 320,646.55

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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.