Home / 1,401,256.77-1,933,740.25-789,416.87

Finding the Fourth Proportional to 1,401,256.77, 1,933,740.25 and 789,416.87

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Solution

The fourth proportional to 1,401,256.77, 1,933,740.25 and 789,416.87 is: 1,089,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,256.77 : 1,933,740.25 = 789,416.87 : x
  2. Step 2: Convert to fraction form
    1,401,256.77/1,933,740.25 = 789,416.87/x
  3. Step 3: Cross multiply
    1,401,256.77x = 1,933,740.25 × 789,416.87
  4. Step 4: Simplify right side
    1,401,256.77x = 1,526,527,171,157.30
  5. Step 5: Solve for x
    x = 1,526,527,171,157.30/1,401,256.77
  6. Step 6: Final answer
    x = 1,089,398.61

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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.