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Finding the Fourth Proportional to 1,339,676.76, 1,848,296.70 and 830,193.24

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Solution

The fourth proportional to 1,339,676.76, 1,848,296.70 and 830,193.24 is: 1,145,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,676.76 : 1,848,296.70 = 830,193.24 : x
  2. Step 2: Convert to fraction form
    1,339,676.76/1,848,296.70 = 830,193.24/x
  3. Step 3: Cross multiply
    1,339,676.76x = 1,848,296.70 × 830,193.24
  4. Step 4: Simplify right side
    1,339,676.76x = 1,534,443,425,854.31
  5. Step 5: Solve for x
    x = 1,534,443,425,854.31/1,339,676.76
  6. Step 6: Final answer
    x = 1,145,383.33

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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.