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Finding the Fourth Proportional to 1,241,741.34, 1,714,904.06 and 855,560.88

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Solution

The fourth proportional to 1,241,741.34, 1,714,904.06 and 855,560.88 is: 1,181,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,741.34 : 1,714,904.06 = 855,560.88 : x
  2. Step 2: Convert to fraction form
    1,241,741.34/1,714,904.06 = 855,560.88/x
  3. Step 3: Cross multiply
    1,241,741.34x = 1,714,904.06 × 855,560.88
  4. Step 4: Simplify right side
    1,241,741.34x = 1,467,204,822,411.37
  5. Step 5: Solve for x
    x = 1,467,204,822,411.37/1,241,741.34
  6. Step 6: Final answer
    x = 1,181,570.41

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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.