Home / 746,198.13-1,029,789.93-419,613.93

Finding the Fourth Proportional to 746,198.13, 1,029,789.93 and 419,613.93

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Solution

The fourth proportional to 746,198.13, 1,029,789.93 and 419,613.93 is: 579,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,198.13 : 1,029,789.93 = 419,613.93 : x
  2. Step 2: Convert to fraction form
    746,198.13/1,029,789.93 = 419,613.93/x
  3. Step 3: Cross multiply
    746,198.13x = 1,029,789.93 × 419,613.93
  4. Step 4: Simplify right side
    746,198.13x = 432,114,199,601.73
  5. Step 5: Solve for x
    x = 432,114,199,601.73/746,198.13
  6. Step 6: Final answer
    x = 579,087.75

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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.