Home / 936,659.90-1,405,550.27-404,180.84

Finding the Fourth Proportional to 936,659.90, 1,405,550.27 and 404,180.84

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Solution

The fourth proportional to 936,659.90, 1,405,550.27 and 404,180.84 is: 606,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,659.90 : 1,405,550.27 = 404,180.84 : x
  2. Step 2: Convert to fraction form
    936,659.90/1,405,550.27 = 404,180.84/x
  3. Step 3: Cross multiply
    936,659.90x = 1,405,550.27 × 404,180.84
  4. Step 4: Simplify right side
    936,659.90x = 568,096,485,408.93
  5. Step 5: Solve for x
    x = 568,096,485,408.93/936,659.90
  6. Step 6: Final answer
    x = 606,513.08

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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.