Home / 1,122,025.44-1,682,980.80-411,998.88

Finding the Fourth Proportional to 1,122,025.44, 1,682,980.80 and 411,998.88

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Solution

The fourth proportional to 1,122,025.44, 1,682,980.80 and 411,998.88 is: 617,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,025.44 : 1,682,980.80 = 411,998.88 : x
  2. Step 2: Convert to fraction form
    1,122,025.44/1,682,980.80 = 411,998.88/x
  3. Step 3: Cross multiply
    1,122,025.44x = 1,682,980.80 × 411,998.88
  4. Step 4: Simplify right side
    1,122,025.44x = 693,386,204,661.50
  5. Step 5: Solve for x
    x = 693,386,204,661.50/1,122,025.44
  6. Step 6: Final answer
    x = 617,977.26

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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.