Home / 986,394.38-1,361,224.24-533,685.38

Finding the Fourth Proportional to 986,394.38, 1,361,224.24 and 533,685.38

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Solution

The fourth proportional to 986,394.38, 1,361,224.24 and 533,685.38 is: 736,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,394.38 : 1,361,224.24 = 533,685.38 : x
  2. Step 2: Convert to fraction form
    986,394.38/1,361,224.24 = 533,685.38/x
  3. Step 3: Cross multiply
    986,394.38x = 1,361,224.24 × 533,685.38
  4. Step 4: Simplify right side
    986,394.38x = 726,465,467,649.28
  5. Step 5: Solve for x
    x = 726,465,467,649.28/986,394.38
  6. Step 6: Final answer
    x = 736,485.82

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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.