Home / 837,531.70-1,256,297.55-332,213.20

Finding the Fourth Proportional to 837,531.70, 1,256,297.55 and 332,213.20

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Solution

The fourth proportional to 837,531.70, 1,256,297.55 and 332,213.20 is: 498,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,531.70 : 1,256,297.55 = 332,213.20 : x
  2. Step 2: Convert to fraction form
    837,531.70/1,256,297.55 = 332,213.20/x
  3. Step 3: Cross multiply
    837,531.70x = 1,256,297.55 × 332,213.20
  4. Step 4: Simplify right side
    837,531.70x = 417,358,629,237.66
  5. Step 5: Solve for x
    x = 417,358,629,237.66/837,531.70
  6. Step 6: Final answer
    x = 498,319.80

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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.