Home / 757,163.63-1,044,898.27-412,999.54

Finding the Fourth Proportional to 757,163.63, 1,044,898.27 and 412,999.54

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Solution

The fourth proportional to 757,163.63, 1,044,898.27 and 412,999.54 is: 569,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,163.63 : 1,044,898.27 = 412,999.54 : x
  2. Step 2: Convert to fraction form
    757,163.63/1,044,898.27 = 412,999.54/x
  3. Step 3: Cross multiply
    757,163.63x = 1,044,898.27 × 412,999.54
  4. Step 4: Simplify right side
    757,163.63x = 431,542,501,212.05
  5. Step 5: Solve for x
    x = 431,542,501,212.05/757,163.63
  6. Step 6: Final answer
    x = 569,946.16

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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.