Home / 694,984.25-959,071.79-393,178.25

Finding the Fourth Proportional to 694,984.25, 959,071.79 and 393,178.25

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Solution

The fourth proportional to 694,984.25, 959,071.79 and 393,178.25 is: 542,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,984.25 : 959,071.79 = 393,178.25 : x
  2. Step 2: Convert to fraction form
    694,984.25/959,071.79 = 393,178.25/x
  3. Step 3: Cross multiply
    694,984.25x = 959,071.79 × 393,178.25
  4. Step 4: Simplify right side
    694,984.25x = 377,086,166,050.68
  5. Step 5: Solve for x
    x = 377,086,166,050.68/694,984.25
  6. Step 6: Final answer
    x = 542,582.32

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Double scale
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1.5x scale

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.