Home / 862,858.06-1,294,287.09-263,819.23

Finding the Fourth Proportional to 862,858.06, 1,294,287.09 and 263,819.23

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Solution

The fourth proportional to 862,858.06, 1,294,287.09 and 263,819.23 is: 395,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,858.06 : 1,294,287.09 = 263,819.23 : x
  2. Step 2: Convert to fraction form
    862,858.06/1,294,287.09 = 263,819.23/x
  3. Step 3: Cross multiply
    862,858.06x = 1,294,287.09 × 263,819.23
  4. Step 4: Simplify right side
    862,858.06x = 341,457,823,482.74
  5. Step 5: Solve for x
    x = 341,457,823,482.74/862,858.06
  6. Step 6: Final answer
    x = 395,728.85

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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.