Home / 756,213.79-1,043,562.77-412,054.31

Finding the Fourth Proportional to 756,213.79, 1,043,562.77 and 412,054.31

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Solution

The fourth proportional to 756,213.79, 1,043,562.77 and 412,054.31 is: 568,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,213.79 : 1,043,562.77 = 412,054.31 : x
  2. Step 2: Convert to fraction form
    756,213.79/1,043,562.77 = 412,054.31/x
  3. Step 3: Cross multiply
    756,213.79x = 1,043,562.77 × 412,054.31
  4. Step 4: Simplify right side
    756,213.79x = 430,004,537,134.04
  5. Step 5: Solve for x
    x = 430,004,537,134.04/756,213.79
  6. Step 6: Final answer
    x = 568,628.27

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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.