Home / 1,257,808.34-1,735,806.61-684,879.86

Finding the Fourth Proportional to 1,257,808.34, 1,735,806.61 and 684,879.86

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Solution

The fourth proportional to 1,257,808.34, 1,735,806.61 and 684,879.86 is: 945,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,808.34 : 1,735,806.61 = 684,879.86 : x
  2. Step 2: Convert to fraction form
    1,257,808.34/1,735,806.61 = 684,879.86/x
  3. Step 3: Cross multiply
    1,257,808.34x = 1,735,806.61 × 684,879.86
  4. Step 4: Simplify right side
    1,257,808.34x = 1,188,818,988,043.87
  5. Step 5: Solve for x
    x = 1,188,818,988,043.87/1,257,808.34
  6. Step 6: Final answer
    x = 945,151.14

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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.