Home / 694,921.18-959,589.75-437,227.78

Finding the Fourth Proportional to 694,921.18, 959,589.75 and 437,227.78

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Solution

The fourth proportional to 694,921.18, 959,589.75 and 437,227.78 is: 603,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,921.18 : 959,589.75 = 437,227.78 : x
  2. Step 2: Convert to fraction form
    694,921.18/959,589.75 = 437,227.78/x
  3. Step 3: Cross multiply
    694,921.18x = 959,589.75 × 437,227.78
  4. Step 4: Simplify right side
    694,921.18x = 419,559,296,103.26
  5. Step 5: Solve for x
    x = 419,559,296,103.26/694,921.18
  6. Step 6: Final answer
    x = 603,750.91

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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.