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Finding the Fourth Proportional to 1,371,676.96, 1,892,929.44 and 759,839.14

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Solution

The fourth proportional to 1,371,676.96, 1,892,929.44 and 759,839.14 is: 1,048,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,676.96 : 1,892,929.44 = 759,839.14 : x
  2. Step 2: Convert to fraction form
    1,371,676.96/1,892,929.44 = 759,839.14/x
  3. Step 3: Cross multiply
    1,371,676.96x = 1,892,929.44 × 759,839.14
  4. Step 4: Simplify right side
    1,371,676.96x = 1,438,321,877,770.28
  5. Step 5: Solve for x
    x = 1,438,321,877,770.28/1,371,676.96
  6. Step 6: Final answer
    x = 1,048,586.45

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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.