Home / 694,400.40-1,042,061.40-394,880.40

Finding the Fourth Proportional to 694,400.40, 1,042,061.40 and 394,880.40

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Solution

The fourth proportional to 694,400.40, 1,042,061.40 and 394,880.40 is: 592,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,400.40 : 1,042,061.40 = 394,880.40 : x
  2. Step 2: Convert to fraction form
    694,400.40/1,042,061.40 = 394,880.40/x
  3. Step 3: Cross multiply
    694,400.40x = 1,042,061.40 × 394,880.40
  4. Step 4: Simplify right side
    694,400.40x = 411,489,622,456.56
  5. Step 5: Solve for x
    x = 411,489,622,456.56/694,400.40
  6. Step 6: Final answer
    x = 592,582.64

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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.