Home / 774,682.56-1,162,090.79-213,717.06

Finding the Fourth Proportional to 774,682.56, 1,162,090.79 and 213,717.06

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Solution

The fourth proportional to 774,682.56, 1,162,090.79 and 213,717.06 is: 320,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,682.56 : 1,162,090.79 = 213,717.06 : x
  2. Step 2: Convert to fraction form
    774,682.56/1,162,090.79 = 213,717.06/x
  3. Step 3: Cross multiply
    774,682.56x = 1,162,090.79 × 213,717.06
  4. Step 4: Simplify right side
    774,682.56x = 248,358,626,023.29
  5. Step 5: Solve for x
    x = 248,358,626,023.29/774,682.56
  6. Step 6: Final answer
    x = 320,594.06

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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.