Home / 705,005.60-1,057,508.40-231,738.80

Finding the Fourth Proportional to 705,005.60, 1,057,508.40 and 231,738.80

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Solution

The fourth proportional to 705,005.60, 1,057,508.40 and 231,738.80 is: 347,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,005.60 : 1,057,508.40 = 231,738.80 : x
  2. Step 2: Convert to fraction form
    705,005.60/1,057,508.40 = 231,738.80/x
  3. Step 3: Cross multiply
    705,005.60x = 1,057,508.40 × 231,738.80
  4. Step 4: Simplify right side
    705,005.60x = 245,065,727,605.92
  5. Step 5: Solve for x
    x = 245,065,727,605.92/705,005.60
  6. Step 6: Final answer
    x = 347,608.20

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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.