Home / 1,259,096.76-1,737,550.88-686,135.56

Finding the Fourth Proportional to 1,259,096.76, 1,737,550.88 and 686,135.56

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Solution

The fourth proportional to 1,259,096.76, 1,737,550.88 and 686,135.56 is: 946,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,096.76 : 1,737,550.88 = 686,135.56 : x
  2. Step 2: Convert to fraction form
    1,259,096.76/1,737,550.88 = 686,135.56/x
  3. Step 3: Cross multiply
    1,259,096.76x = 1,737,550.88 × 686,135.56
  4. Step 4: Simplify right side
    1,259,096.76x = 1,192,195,446,077.29
  5. Step 5: Solve for x
    x = 1,192,195,446,077.29/1,259,096.76
  6. Step 6: Final answer
    x = 946,865.63

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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.