Home / 1,257,903.92-1,735,900.02-684,942.68

Finding the Fourth Proportional to 1,257,903.92, 1,735,900.02 and 684,942.68

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Solution

The fourth proportional to 1,257,903.92, 1,735,900.02 and 684,942.68 is: 945,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,903.92 : 1,735,900.02 = 684,942.68 : x
  2. Step 2: Convert to fraction form
    1,257,903.92/1,735,900.02 = 684,942.68/x
  3. Step 3: Cross multiply
    1,257,903.92x = 1,735,900.02 × 684,942.68
  4. Step 4: Simplify right side
    1,257,903.92x = 1,188,992,011,910.85
  5. Step 5: Solve for x
    x = 1,188,992,011,910.85/1,257,903.92
  6. Step 6: Final answer
    x = 945,216.87

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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.