Home / 789,537.61-1,089,562.37-426,961.45

Finding the Fourth Proportional to 789,537.61, 1,089,562.37 and 426,961.45

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Solution

The fourth proportional to 789,537.61, 1,089,562.37 and 426,961.45 is: 589,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,537.61 : 1,089,562.37 = 426,961.45 : x
  2. Step 2: Convert to fraction form
    789,537.61/1,089,562.37 = 426,961.45/x
  3. Step 3: Cross multiply
    789,537.61x = 1,089,562.37 × 426,961.45
  4. Step 4: Simplify right side
    789,537.61x = 465,201,124,860.65
  5. Step 5: Solve for x
    x = 465,201,124,860.65/789,537.61
  6. Step 6: Final answer
    x = 589,207.05

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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.