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Finding the Fourth Proportional to 1,197,755.91, 1,652,928.23 and 653,914.62

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Solution

The fourth proportional to 1,197,755.91, 1,652,928.23 and 653,914.62 is: 902,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,755.91 : 1,652,928.23 = 653,914.62 : x
  2. Step 2: Convert to fraction form
    1,197,755.91/1,652,928.23 = 653,914.62/x
  3. Step 3: Cross multiply
    1,197,755.91x = 1,652,928.23 × 653,914.62
  4. Step 4: Simplify right side
    1,197,755.91x = 1,080,873,935,407.72
  5. Step 5: Solve for x
    x = 1,080,873,935,407.72/1,197,755.91
  6. Step 6: Final answer
    x = 902,415.86

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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.