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Finding the Fourth Proportional to 1,798,806.84, 2,482,255.98 and 993,939

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Solution

The fourth proportional to 1,798,806.84, 2,482,255.98 and 993,939 is: 1,371,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,806.84 : 2,482,255.98 = 993,939 : x
  2. Step 2: Convert to fraction form
    1,798,806.84/2,482,255.98 = 993,939/x
  3. Step 3: Cross multiply
    1,798,806.84x = 2,482,255.98 × 993,939
  4. Step 4: Simplify right side
    1,798,806.84x = 2,467,211,026,505.22
  5. Step 5: Solve for x
    x = 2,467,211,026,505.22/1,798,806.84
  6. Step 6: Final answer
    x = 1,371,581.97

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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.