Home / 789,541.62-1,089,567.90-426,965.46

Finding the Fourth Proportional to 789,541.62, 1,089,567.90 and 426,965.46

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Solution

The fourth proportional to 789,541.62, 1,089,567.90 and 426,965.46 is: 589,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,541.62 : 1,089,567.90 = 426,965.46 : x
  2. Step 2: Convert to fraction form
    789,541.62/1,089,567.90 = 426,965.46/x
  3. Step 3: Cross multiply
    789,541.62x = 1,089,567.90 × 426,965.46
  4. Step 4: Simplify right side
    789,541.62x = 465,207,859,624.73
  5. Step 5: Solve for x
    x = 465,207,859,624.73/789,541.62
  6. Step 6: Final answer
    x = 589,212.59

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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.