Home / 756,172.11-1,043,504.37-412,010.91

Finding the Fourth Proportional to 756,172.11, 1,043,504.37 and 412,010.91

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Solution

The fourth proportional to 756,172.11, 1,043,504.37 and 412,010.91 is: 568,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,172.11 : 1,043,504.37 = 412,010.91 : x
  2. Step 2: Convert to fraction form
    756,172.11/1,043,504.37 = 412,010.91/x
  3. Step 3: Cross multiply
    756,172.11x = 1,043,504.37 × 412,010.91
  4. Step 4: Simplify right side
    756,172.11x = 429,935,185,072.68
  5. Step 5: Solve for x
    x = 429,935,185,072.68/756,172.11
  6. Step 6: Final answer
    x = 568,567.90

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1.5x scale

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.