Home / 1,259,596.14-1,737,932.43-769,440.78

Finding the Fourth Proportional to 1,259,596.14, 1,737,932.43 and 769,440.78

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Solution

The fourth proportional to 1,259,596.14, 1,737,932.43 and 769,440.78 is: 1,061,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,596.14 : 1,737,932.43 = 769,440.78 : x
  2. Step 2: Convert to fraction form
    1,259,596.14/1,737,932.43 = 769,440.78/x
  3. Step 3: Cross multiply
    1,259,596.14x = 1,737,932.43 × 769,440.78
  4. Step 4: Simplify right side
    1,259,596.14x = 1,337,236,084,526.50
  5. Step 5: Solve for x
    x = 1,337,236,084,526.50/1,259,596.14
  6. Step 6: Final answer
    x = 1,061,638.76

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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.