Home / 705,245.36-1,057,868.04-206,609.36

Finding the Fourth Proportional to 705,245.36, 1,057,868.04 and 206,609.36

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Solution

The fourth proportional to 705,245.36, 1,057,868.04 and 206,609.36 is: 309,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,245.36 : 1,057,868.04 = 206,609.36 : x
  2. Step 2: Convert to fraction form
    705,245.36/1,057,868.04 = 206,609.36/x
  3. Step 3: Cross multiply
    705,245.36x = 1,057,868.04 × 206,609.36
  4. Step 4: Simplify right side
    705,245.36x = 218,565,438,708.85
  5. Step 5: Solve for x
    x = 218,565,438,708.85/705,245.36
  6. Step 6: Final answer
    x = 309,914.04

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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.