Home / 740,116.39-1,021,369.25-434,198.02

Finding the Fourth Proportional to 740,116.39, 1,021,369.25 and 434,198.02

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Solution

The fourth proportional to 740,116.39, 1,021,369.25 and 434,198.02 is: 599,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,116.39 : 1,021,369.25 = 434,198.02 : x
  2. Step 2: Convert to fraction form
    740,116.39/1,021,369.25 = 434,198.02/x
  3. Step 3: Cross multiply
    740,116.39x = 1,021,369.25 × 434,198.02
  4. Step 4: Simplify right side
    740,116.39x = 443,476,504,043.66
  5. Step 5: Solve for x
    x = 443,476,504,043.66/740,116.39
  6. Step 6: Final answer
    x = 599,198.33

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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.