Home / 705,015.90-1,057,480.11-225,231.84

Finding the Fourth Proportional to 705,015.90, 1,057,480.11 and 225,231.84

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Solution

The fourth proportional to 705,015.90, 1,057,480.11 and 225,231.84 is: 337,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,015.90 : 1,057,480.11 = 225,231.84 : x
  2. Step 2: Convert to fraction form
    705,015.90/1,057,480.11 = 225,231.84/x
  3. Step 3: Cross multiply
    705,015.90x = 1,057,480.11 × 225,231.84
  4. Step 4: Simplify right side
    705,015.90x = 238,178,190,938.70
  5. Step 5: Solve for x
    x = 238,178,190,938.70/705,015.90
  6. Step 6: Final answer
    x = 337,833.79

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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.