Home / 1,339,741.84-2,009,928.12-441,255.28

Finding the Fourth Proportional to 1,339,741.84, 2,009,928.12 and 441,255.28

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Solution

The fourth proportional to 1,339,741.84, 2,009,928.12 and 441,255.28 is: 661,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,741.84 : 2,009,928.12 = 441,255.28 : x
  2. Step 2: Convert to fraction form
    1,339,741.84/2,009,928.12 = 441,255.28/x
  3. Step 3: Cross multiply
    1,339,741.84x = 2,009,928.12 × 441,255.28
  4. Step 4: Simplify right side
    1,339,741.84x = 886,891,395,370.47
  5. Step 5: Solve for x
    x = 886,891,395,370.47/1,339,741.84
  6. Step 6: Final answer
    x = 661,986.79

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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.