Home / 1,362,801.20-2,044,201.80-416,170.40

Finding the Fourth Proportional to 1,362,801.20, 2,044,201.80 and 416,170.40

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Solution

The fourth proportional to 1,362,801.20, 2,044,201.80 and 416,170.40 is: 624,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,801.20 : 2,044,201.80 = 416,170.40 : x
  2. Step 2: Convert to fraction form
    1,362,801.20/2,044,201.80 = 416,170.40/x
  3. Step 3: Cross multiply
    1,362,801.20x = 2,044,201.80 × 416,170.40
  4. Step 4: Simplify right side
    1,362,801.20x = 850,736,280,786.72
  5. Step 5: Solve for x
    x = 850,736,280,786.72/1,362,801.20
  6. Step 6: Final answer
    x = 624,255.60

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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.