Home / 726,733.45-1,002,884.35-404,438.11

Finding the Fourth Proportional to 726,733.45, 1,002,884.35 and 404,438.11

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Solution

The fourth proportional to 726,733.45, 1,002,884.35 and 404,438.11 is: 558,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,733.45 : 1,002,884.35 = 404,438.11 : x
  2. Step 2: Convert to fraction form
    726,733.45/1,002,884.35 = 404,438.11/x
  3. Step 3: Cross multiply
    726,733.45x = 1,002,884.35 × 404,438.11
  4. Step 4: Simplify right side
    726,733.45x = 405,604,651,062.58
  5. Step 5: Solve for x
    x = 405,604,651,062.58/726,733.45
  6. Step 6: Final answer
    x = 558,120.24

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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.