Home / 805,150.73-1,109,935.31-562,679.87

Finding the Fourth Proportional to 805,150.73, 1,109,935.31 and 562,679.87

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Solution

The fourth proportional to 805,150.73, 1,109,935.31 and 562,679.87 is: 775,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,150.73 : 1,109,935.31 = 562,679.87 : x
  2. Step 2: Convert to fraction form
    805,150.73/1,109,935.31 = 562,679.87/x
  3. Step 3: Cross multiply
    805,150.73x = 1,109,935.31 × 562,679.87
  4. Step 4: Simplify right side
    805,150.73x = 624,538,247,576.13
  5. Step 5: Solve for x
    x = 624,538,247,576.13/805,150.73
  6. Step 6: Final answer
    x = 775,678.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.