Home / 673,786.60-1,010,679.90-483,845.65

Finding the Fourth Proportional to 673,786.60, 1,010,679.90 and 483,845.65

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Solution

The fourth proportional to 673,786.60, 1,010,679.90 and 483,845.65 is: 725,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,786.60 : 1,010,679.90 = 483,845.65 : x
  2. Step 2: Convert to fraction form
    673,786.60/1,010,679.90 = 483,845.65/x
  3. Step 3: Cross multiply
    673,786.60x = 1,010,679.90 × 483,845.65
  4. Step 4: Simplify right side
    673,786.60x = 489,013,073,157.44
  5. Step 5: Solve for x
    x = 489,013,073,157.44/673,786.60
  6. Step 6: Final answer
    x = 725,768.48

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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.