Home / 693,551.16-1,040,362.74-220,273.56

Finding the Fourth Proportional to 693,551.16, 1,040,362.74 and 220,273.56

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Solution

The fourth proportional to 693,551.16, 1,040,362.74 and 220,273.56 is: 330,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,551.16 : 1,040,362.74 = 220,273.56 : x
  2. Step 2: Convert to fraction form
    693,551.16/1,040,362.74 = 220,273.56/x
  3. Step 3: Cross multiply
    693,551.16x = 1,040,362.74 × 220,273.56
  4. Step 4: Simplify right side
    693,551.16x = 229,164,404,431.15
  5. Step 5: Solve for x
    x = 229,164,404,431.15/693,551.16
  6. Step 6: Final answer
    x = 330,421.77

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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.