Home / 893,604.20-1,340,406.30-395,940.20

Finding the Fourth Proportional to 893,604.20, 1,340,406.30 and 395,940.20

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Solution

The fourth proportional to 893,604.20, 1,340,406.30 and 395,940.20 is: 593,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,604.20 : 1,340,406.30 = 395,940.20 : x
  2. Step 2: Convert to fraction form
    893,604.20/1,340,406.30 = 395,940.20/x
  3. Step 3: Cross multiply
    893,604.20x = 1,340,406.30 × 395,940.20
  4. Step 4: Simplify right side
    893,604.20x = 530,720,738,503.26
  5. Step 5: Solve for x
    x = 530,720,738,503.26/893,604.20
  6. Step 6: Final answer
    x = 593,910.30

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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.