Home / 705,204.40-1,057,698.60-231,890.80

Finding the Fourth Proportional to 705,204.40, 1,057,698.60 and 231,890.80

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Solution

The fourth proportional to 705,204.40, 1,057,698.60 and 231,890.80 is: 347,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,204.40 : 1,057,698.60 = 231,890.80 : x
  2. Step 2: Convert to fraction form
    705,204.40/1,057,698.60 = 231,890.80/x
  3. Step 3: Cross multiply
    705,204.40x = 1,057,698.60 × 231,890.80
  4. Step 4: Simplify right side
    705,204.40x = 245,270,574,512.88
  5. Step 5: Solve for x
    x = 245,270,574,512.88/705,204.40
  6. Step 6: Final answer
    x = 347,800.69

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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.