Home / 930,896.10-1,396,344.15-331,876.80

Finding the Fourth Proportional to 930,896.10, 1,396,344.15 and 331,876.80

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Solution

The fourth proportional to 930,896.10, 1,396,344.15 and 331,876.80 is: 497,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,896.10 : 1,396,344.15 = 331,876.80 : x
  2. Step 2: Convert to fraction form
    930,896.10/1,396,344.15 = 331,876.80/x
  3. Step 3: Cross multiply
    930,896.10x = 1,396,344.15 × 331,876.80
  4. Step 4: Simplify right side
    930,896.10x = 463,414,228,200.72
  5. Step 5: Solve for x
    x = 463,414,228,200.72/930,896.10
  6. Step 6: Final answer
    x = 497,815.20

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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.