Home / 1,247,734.69-1,871,933.61-394,821.49

Finding the Fourth Proportional to 1,247,734.69, 1,871,933.61 and 394,821.49

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Solution

The fourth proportional to 1,247,734.69, 1,871,933.61 and 394,821.49 is: 592,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,734.69 : 1,871,933.61 = 394,821.49 : x
  2. Step 2: Convert to fraction form
    1,247,734.69/1,871,933.61 = 394,821.49/x
  3. Step 3: Cross multiply
    1,247,734.69x = 1,871,933.61 × 394,821.49
  4. Step 4: Simplify right side
    1,247,734.69x = 739,079,617,081.28
  5. Step 5: Solve for x
    x = 739,079,617,081.28/1,247,734.69
  6. Step 6: Final answer
    x = 592,337.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.