Home / 725,995.94-1,089,045.75-193,514.18

Finding the Fourth Proportional to 725,995.94, 1,089,045.75 and 193,514.18

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Solution

The fourth proportional to 725,995.94, 1,089,045.75 and 193,514.18 is: 290,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,995.94 : 1,089,045.75 = 193,514.18 : x
  2. Step 2: Convert to fraction form
    725,995.94/1,089,045.75 = 193,514.18/x
  3. Step 3: Cross multiply
    725,995.94x = 1,089,045.75 × 193,514.18
  4. Step 4: Simplify right side
    725,995.94x = 210,745,795,293.74
  5. Step 5: Solve for x
    x = 210,745,795,293.74/725,995.94
  6. Step 6: Final answer
    x = 290,285.09

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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.