Home / 1,407,619.68-2,111,263.20-396,817.44

Finding the Fourth Proportional to 1,407,619.68, 2,111,263.20 and 396,817.44

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Solution

The fourth proportional to 1,407,619.68, 2,111,263.20 and 396,817.44 is: 595,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,619.68 : 2,111,263.20 = 396,817.44 : x
  2. Step 2: Convert to fraction form
    1,407,619.68/2,111,263.20 = 396,817.44/x
  3. Step 3: Cross multiply
    1,407,619.68x = 2,111,263.20 × 396,817.44
  4. Step 4: Simplify right side
    1,407,619.68x = 837,786,058,190.21
  5. Step 5: Solve for x
    x = 837,786,058,190.21/1,407,619.68
  6. Step 6: Final answer
    x = 595,179.27

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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.