Home / 789,460.52-1,089,454.73-426,883.50

Finding the Fourth Proportional to 789,460.52, 1,089,454.73 and 426,883.50

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Solution

The fourth proportional to 789,460.52, 1,089,454.73 and 426,883.50 is: 589,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,460.52 : 1,089,454.73 = 426,883.50 : x
  2. Step 2: Convert to fraction form
    789,460.52/1,089,454.73 = 426,883.50/x
  3. Step 3: Cross multiply
    789,460.52x = 1,089,454.73 × 426,883.50
  4. Step 4: Simplify right side
    789,460.52x = 465,070,246,099.54
  5. Step 5: Solve for x
    x = 465,070,246,099.54/789,460.52
  6. Step 6: Final answer
    x = 589,098.81

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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.