Home / 1,131,410.25-1,698,181.81-412,447.16

Finding the Fourth Proportional to 1,131,410.25, 1,698,181.81 and 412,447.16

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Solution

The fourth proportional to 1,131,410.25, 1,698,181.81 and 412,447.16 is: 619,059.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,410.25 : 1,698,181.81 = 412,447.16 : x
  2. Step 2: Convert to fraction form
    1,131,410.25/1,698,181.81 = 412,447.16/x
  3. Step 3: Cross multiply
    1,131,410.25x = 1,698,181.81 × 412,447.16
  4. Step 4: Simplify right side
    1,131,410.25x = 700,410,267,912.50
  5. Step 5: Solve for x
    x = 700,410,267,912.50/1,131,410.25
  6. Step 6: Final answer
    x = 619,059.50

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Double scale
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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.