Home / 705,352.32-1,058,028.48-231,910.56

Finding the Fourth Proportional to 705,352.32, 1,058,028.48 and 231,910.56

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Solution

The fourth proportional to 705,352.32, 1,058,028.48 and 231,910.56 is: 347,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,352.32 : 1,058,028.48 = 231,910.56 : x
  2. Step 2: Convert to fraction form
    705,352.32/1,058,028.48 = 231,910.56/x
  3. Step 3: Cross multiply
    705,352.32x = 1,058,028.48 × 231,910.56
  4. Step 4: Simplify right side
    705,352.32x = 245,367,977,292.75
  5. Step 5: Solve for x
    x = 245,367,977,292.75/705,352.32
  6. Step 6: Final answer
    x = 347,865.84

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Half scale
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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.