Home / 986,403.42-1,361,236.68-533,694.42

Finding the Fourth Proportional to 986,403.42, 1,361,236.68 and 533,694.42

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Solution

The fourth proportional to 986,403.42, 1,361,236.68 and 533,694.42 is: 736,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,403.42 : 1,361,236.68 = 533,694.42 : x
  2. Step 2: Convert to fraction form
    986,403.42/1,361,236.68 = 533,694.42/x
  3. Step 3: Cross multiply
    986,403.42x = 1,361,236.68 × 533,694.42
  4. Step 4: Simplify right side
    986,403.42x = 726,484,420,415.33
  5. Step 5: Solve for x
    x = 726,484,420,415.33/986,403.42
  6. Step 6: Final answer
    x = 736,498.28

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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.