Home / 740,407.86-1,110,611.78-179,442.36

Finding the Fourth Proportional to 740,407.86, 1,110,611.78 and 179,442.36

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Solution

The fourth proportional to 740,407.86, 1,110,611.78 and 179,442.36 is: 269,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,407.86 : 1,110,611.78 = 179,442.36 : x
  2. Step 2: Convert to fraction form
    740,407.86/1,110,611.78 = 179,442.36/x
  3. Step 3: Cross multiply
    740,407.86x = 1,110,611.78 × 179,442.36
  4. Step 4: Simplify right side
    740,407.86x = 199,290,797,949.79
  5. Step 5: Solve for x
    x = 199,290,797,949.79/740,407.86
  6. Step 6: Final answer
    x = 269,163.54

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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.