Home / 896,272.20-1,344,408.30-231,424.20

Finding the Fourth Proportional to 896,272.20, 1,344,408.30 and 231,424.20

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Solution

The fourth proportional to 896,272.20, 1,344,408.30 and 231,424.20 is: 347,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,272.20 : 1,344,408.30 = 231,424.20 : x
  2. Step 2: Convert to fraction form
    896,272.20/1,344,408.30 = 231,424.20/x
  3. Step 3: Cross multiply
    896,272.20x = 1,344,408.30 × 231,424.20
  4. Step 4: Simplify right side
    896,272.20x = 311,128,615,300.86
  5. Step 5: Solve for x
    x = 311,128,615,300.86/896,272.20
  6. Step 6: Final answer
    x = 347,136.30

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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.