Home / 693,397.20-1,040,196.60-294,037.20

Finding the Fourth Proportional to 693,397.20, 1,040,196.60 and 294,037.20

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Solution

The fourth proportional to 693,397.20, 1,040,196.60 and 294,037.20 is: 441,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,397.20 : 1,040,196.60 = 294,037.20 : x
  2. Step 2: Convert to fraction form
    693,397.20/1,040,196.60 = 294,037.20/x
  3. Step 3: Cross multiply
    693,397.20x = 1,040,196.60 × 294,037.20
  4. Step 4: Simplify right side
    693,397.20x = 305,856,495,713.52
  5. Step 5: Solve for x
    x = 305,856,495,713.52/693,397.20
  6. Step 6: Final answer
    x = 441,098.54

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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.