Home / 1,401,238.96-1,933,309.70-789,177.65

Finding the Fourth Proportional to 1,401,238.96, 1,933,309.70 and 789,177.65

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Solution

The fourth proportional to 1,401,238.96, 1,933,309.70 and 789,177.65 is: 1,088,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,238.96 : 1,933,309.70 = 789,177.65 : x
  2. Step 2: Convert to fraction form
    1,401,238.96/1,933,309.70 = 789,177.65/x
  3. Step 3: Cross multiply
    1,401,238.96x = 1,933,309.70 × 789,177.65
  4. Step 4: Simplify right side
    1,401,238.96x = 1,525,724,799,554.31
  5. Step 5: Solve for x
    x = 1,525,724,799,554.31/1,401,238.96
  6. Step 6: Final answer
    x = 1,088,839.84

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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.