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Finding the Fourth Proportional to 1,761,683, 2,431,124.97 and 956,867

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Solution

The fourth proportional to 1,761,683, 2,431,124.97 and 956,867 is: 1,320,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,683 : 2,431,124.97 = 956,867 : x
  2. Step 2: Convert to fraction form
    1,761,683/2,431,124.97 = 956,867/x
  3. Step 3: Cross multiply
    1,761,683x = 2,431,124.97 × 956,867
  4. Step 4: Simplify right side
    1,761,683x = 2,326,263,256,668.99
  5. Step 5: Solve for x
    x = 2,326,263,256,668.99/1,761,683
  6. Step 6: Final answer
    x = 1,320,477.78

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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.