Home / 693,976.60-1,040,964.90-414,040.60

Finding the Fourth Proportional to 693,976.60, 1,040,964.90 and 414,040.60

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Solution

The fourth proportional to 693,976.60, 1,040,964.90 and 414,040.60 is: 621,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,976.60 : 1,040,964.90 = 414,040.60 : x
  2. Step 2: Convert to fraction form
    693,976.60/1,040,964.90 = 414,040.60/x
  3. Step 3: Cross multiply
    693,976.60x = 1,040,964.90 × 414,040.60
  4. Step 4: Simplify right side
    693,976.60x = 431,001,731,774.94
  5. Step 5: Solve for x
    x = 431,001,731,774.94/693,976.60
  6. Step 6: Final answer
    x = 621,060.90

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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.