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Finding the Fourth Proportional to 1,343,856.44, 1,854,522 and 740,244.44

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Solution

The fourth proportional to 1,343,856.44, 1,854,522 and 740,244.44 is: 1,021,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,856.44 : 1,854,522 = 740,244.44 : x
  2. Step 2: Convert to fraction form
    1,343,856.44/1,854,522 = 740,244.44/x
  3. Step 3: Cross multiply
    1,343,856.44x = 1,854,522 × 740,244.44
  4. Step 4: Simplify right side
    1,343,856.44x = 1,372,799,599,357.68
  5. Step 5: Solve for x
    x = 1,372,799,599,357.68/1,343,856.44
  6. Step 6: Final answer
    x = 1,021,537.39

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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.