Home / 437,640.80-603,944.16-236,436.80

Finding the Fourth Proportional to 437,640.80, 603,944.16 and 236,436.80

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Solution

The fourth proportional to 437,640.80, 603,944.16 and 236,436.80 is: 326,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,640.80 : 603,944.16 = 236,436.80 : x
  2. Step 2: Convert to fraction form
    437,640.80/603,944.16 = 236,436.80/x
  3. Step 3: Cross multiply
    437,640.80x = 603,944.16 × 236,436.80
  4. Step 4: Simplify right side
    437,640.80x = 142,794,624,569.09
  5. Step 5: Solve for x
    x = 142,794,624,569.09/437,640.80
  6. Step 6: Final answer
    x = 326,282.71

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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.