Home / 1,398,811.55-1,930,188.69-882,371.54

Finding the Fourth Proportional to 1,398,811.55, 1,930,188.69 and 882,371.54

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Solution

The fourth proportional to 1,398,811.55, 1,930,188.69 and 882,371.54 is: 1,217,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,811.55 : 1,930,188.69 = 882,371.54 : x
  2. Step 2: Convert to fraction form
    1,398,811.55/1,930,188.69 = 882,371.54/x
  3. Step 3: Cross multiply
    1,398,811.55x = 1,930,188.69 × 882,371.54
  4. Step 4: Simplify right side
    1,398,811.55x = 1,703,143,571,711.35
  5. Step 5: Solve for x
    x = 1,703,143,571,711.35/1,398,811.55
  6. Step 6: Final answer
    x = 1,217,564.71

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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.