Home / 741,633.50-1,112,561.27-268,429.58

Finding the Fourth Proportional to 741,633.50, 1,112,561.27 and 268,429.58

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Solution

The fourth proportional to 741,633.50, 1,112,561.27 and 268,429.58 is: 402,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,633.50 : 1,112,561.27 = 268,429.58 : x
  2. Step 2: Convert to fraction form
    741,633.50/1,112,561.27 = 268,429.58/x
  3. Step 3: Cross multiply
    741,633.50x = 1,112,561.27 × 268,429.58
  4. Step 4: Simplify right side
    741,633.50x = 298,644,347,525.41
  5. Step 5: Solve for x
    x = 298,644,347,525.41/741,633.50
  6. Step 6: Final answer
    x = 402,684.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.