Home / 1,640,150.60-2,263,408.79-914,998.30

Finding the Fourth Proportional to 1,640,150.60, 2,263,408.79 and 914,998.30

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Solution

The fourth proportional to 1,640,150.60, 2,263,408.79 and 914,998.30 is: 1,262,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,150.60 : 2,263,408.79 = 914,998.30 : x
  2. Step 2: Convert to fraction form
    1,640,150.60/2,263,408.79 = 914,998.30/x
  3. Step 3: Cross multiply
    1,640,150.60x = 2,263,408.79 × 914,998.30
  4. Step 4: Simplify right side
    1,640,150.60x = 2,071,015,184,821.54
  5. Step 5: Solve for x
    x = 2,071,015,184,821.54/1,640,150.60
  6. Step 6: Final answer
    x = 1,262,698.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.