Home / 694,912.60-1,042,368.90-414,976.60

Finding the Fourth Proportional to 694,912.60, 1,042,368.90 and 414,976.60

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Solution

The fourth proportional to 694,912.60, 1,042,368.90 and 414,976.60 is: 622,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,912.60 : 1,042,368.90 = 414,976.60 : x
  2. Step 2: Convert to fraction form
    694,912.60/1,042,368.90 = 414,976.60/x
  3. Step 3: Cross multiply
    694,912.60x = 1,042,368.90 × 414,976.60
  4. Step 4: Simplify right side
    694,912.60x = 432,558,702,067.74
  5. Step 5: Solve for x
    x = 432,558,702,067.74/694,912.60
  6. Step 6: Final answer
    x = 622,464.90

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1.5x scale

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.