Home / 2,208,906.90-3,313,360.35-712,998.90

Finding the Fourth Proportional to 2,208,906.90, 3,313,360.35 and 712,998.90

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Solution

The fourth proportional to 2,208,906.90, 3,313,360.35 and 712,998.90 is: 1,069,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,906.90 : 3,313,360.35 = 712,998.90 : x
  2. Step 2: Convert to fraction form
    2,208,906.90/3,313,360.35 = 712,998.90/x
  3. Step 3: Cross multiply
    2,208,906.90x = 3,313,360.35 × 712,998.90
  4. Step 4: Simplify right side
    2,208,906.90x = 2,362,422,284,853.62
  5. Step 5: Solve for x
    x = 2,362,422,284,853.62/2,208,906.90
  6. Step 6: Final answer
    x = 1,069,498.35

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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.