Home / 919,584.40-1,379,376.60-254,736.40

Finding the Fourth Proportional to 919,584.40, 1,379,376.60 and 254,736.40

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Solution

The fourth proportional to 919,584.40, 1,379,376.60 and 254,736.40 is: 382,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,584.40 : 1,379,376.60 = 254,736.40 : x
  2. Step 2: Convert to fraction form
    919,584.40/1,379,376.60 = 254,736.40/x
  3. Step 3: Cross multiply
    919,584.40x = 1,379,376.60 × 254,736.40
  4. Step 4: Simplify right side
    919,584.40x = 351,377,429,328.24
  5. Step 5: Solve for x
    x = 351,377,429,328.24/919,584.40
  6. Step 6: Final answer
    x = 382,104.60

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Double scale
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Similar ratio
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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.