Home / 1,208,570.20-1,812,855.30-367,012.60

Finding the Fourth Proportional to 1,208,570.20, 1,812,855.30 and 367,012.60

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Solution

The fourth proportional to 1,208,570.20, 1,812,855.30 and 367,012.60 is: 550,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,570.20 : 1,812,855.30 = 367,012.60 : x
  2. Step 2: Convert to fraction form
    1,208,570.20/1,812,855.30 = 367,012.60/x
  3. Step 3: Cross multiply
    1,208,570.20x = 1,812,855.30 × 367,012.60
  4. Step 4: Simplify right side
    1,208,570.20x = 665,340,737,076.78
  5. Step 5: Solve for x
    x = 665,340,737,076.78/1,208,570.20
  6. Step 6: Final answer
    x = 550,518.90

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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.