Home / 1,089,212.78-1,503,132.94-605,778.14

Finding the Fourth Proportional to 1,089,212.78, 1,503,132.94 and 605,778.14

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Solution

The fourth proportional to 1,089,212.78, 1,503,132.94 and 605,778.14 is: 835,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,212.78 : 1,503,132.94 = 605,778.14 : x
  2. Step 2: Convert to fraction form
    1,089,212.78/1,503,132.94 = 605,778.14/x
  3. Step 3: Cross multiply
    1,089,212.78x = 1,503,132.94 × 605,778.14
  4. Step 4: Simplify right side
    1,089,212.78x = 910,565,069,807.49
  5. Step 5: Solve for x
    x = 910,565,069,807.49/1,089,212.78
  6. Step 6: Final answer
    x = 835,984.57

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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.