Home / 728,741.36-1,093,072.60-223,303.79

Finding the Fourth Proportional to 728,741.36, 1,093,072.60 and 223,303.79

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Solution

The fourth proportional to 728,741.36, 1,093,072.60 and 223,303.79 is: 334,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,741.36 : 1,093,072.60 = 223,303.79 : x
  2. Step 2: Convert to fraction form
    728,741.36/1,093,072.60 = 223,303.79/x
  3. Step 3: Cross multiply
    728,741.36x = 1,093,072.60 × 223,303.79
  4. Step 4: Simplify right side
    728,741.36x = 244,087,250,560.39
  5. Step 5: Solve for x
    x = 244,087,250,560.39/728,741.36
  6. Step 6: Final answer
    x = 334,943.60

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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.