Home / 1,257,738.46-1,735,591.51-713,885.33

Finding the Fourth Proportional to 1,257,738.46, 1,735,591.51 and 713,885.33

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Solution

The fourth proportional to 1,257,738.46, 1,735,591.51 and 713,885.33 is: 985,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,738.46 : 1,735,591.51 = 713,885.33 : x
  2. Step 2: Convert to fraction form
    1,257,738.46/1,735,591.51 = 713,885.33/x
  3. Step 3: Cross multiply
    1,257,738.46x = 1,735,591.51 × 713,885.33
  4. Step 4: Simplify right side
    1,257,738.46x = 1,239,013,317,861.55
  5. Step 5: Solve for x
    x = 1,239,013,317,861.55/1,257,738.46
  6. Step 6: Final answer
    x = 985,112.05

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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.