Home / 986,615.38-1,361,529.23-533,906.38

Finding the Fourth Proportional to 986,615.38, 1,361,529.23 and 533,906.38

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Solution

The fourth proportional to 986,615.38, 1,361,529.23 and 533,906.38 is: 736,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,615.38 : 1,361,529.23 = 533,906.38 : x
  2. Step 2: Convert to fraction form
    986,615.38/1,361,529.23 = 533,906.38/x
  3. Step 3: Cross multiply
    986,615.38x = 1,361,529.23 × 533,906.38
  4. Step 4: Simplify right side
    986,615.38x = 726,929,142,453.49
  5. Step 5: Solve for x
    x = 726,929,142,453.49/986,615.38
  6. Step 6: Final answer
    x = 736,790.81

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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.