Home / 829,704.39-1,244,554.85-261,135.18

Finding the Fourth Proportional to 829,704.39, 1,244,554.85 and 261,135.18

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Solution

The fourth proportional to 829,704.39, 1,244,554.85 and 261,135.18 is: 391,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,704.39 : 1,244,554.85 = 261,135.18 : x
  2. Step 2: Convert to fraction form
    829,704.39/1,244,554.85 = 261,135.18/x
  3. Step 3: Cross multiply
    829,704.39x = 1,244,554.85 × 261,135.18
  4. Step 4: Simplify right side
    829,704.39x = 324,997,054,774.62
  5. Step 5: Solve for x
    x = 324,997,054,774.62/829,704.39
  6. Step 6: Final answer
    x = 391,702.22

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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.