Home / 1,330,504.40-1,995,756.60-620,604.20

Finding the Fourth Proportional to 1,330,504.40, 1,995,756.60 and 620,604.20

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Solution

The fourth proportional to 1,330,504.40, 1,995,756.60 and 620,604.20 is: 930,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,504.40 : 1,995,756.60 = 620,604.20 : x
  2. Step 2: Convert to fraction form
    1,330,504.40/1,995,756.60 = 620,604.20/x
  3. Step 3: Cross multiply
    1,330,504.40x = 1,995,756.60 × 620,604.20
  4. Step 4: Simplify right side
    1,330,504.40x = 1,238,574,928,137.72
  5. Step 5: Solve for x
    x = 1,238,574,928,137.72/1,330,504.40
  6. Step 6: Final answer
    x = 930,906.30

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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.