Home / 705,243.36-1,057,865.04-206,607.36

Finding the Fourth Proportional to 705,243.36, 1,057,865.04 and 206,607.36

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Solution

The fourth proportional to 705,243.36, 1,057,865.04 and 206,607.36 is: 309,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,243.36 : 1,057,865.04 = 206,607.36 : x
  2. Step 2: Convert to fraction form
    705,243.36/1,057,865.04 = 206,607.36/x
  3. Step 3: Cross multiply
    705,243.36x = 1,057,865.04 × 206,607.36
  4. Step 4: Simplify right side
    705,243.36x = 218,562,703,150.69
  5. Step 5: Solve for x
    x = 218,562,703,150.69/705,243.36
  6. Step 6: Final answer
    x = 309,911.04

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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.