Home / 3,089,400.68-4,634,091.75-783,889.34

Finding the Fourth Proportional to 3,089,400.68, 4,634,091.75 and 783,889.34

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Solution

The fourth proportional to 3,089,400.68, 4,634,091.75 and 783,889.34 is: 1,175,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,400.68 : 4,634,091.75 = 783,889.34 : x
  2. Step 2: Convert to fraction form
    3,089,400.68/4,634,091.75 = 783,889.34/x
  3. Step 3: Cross multiply
    3,089,400.68x = 4,634,091.75 × 783,889.34
  4. Step 4: Simplify right side
    3,089,400.68x = 3,632,615,123,406.95
  5. Step 5: Solve for x
    x = 3,632,615,123,406.95/3,089,400.68
  6. Step 6: Final answer
    x = 1,175,831.66

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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.