Home / 1,247,823.24-1,721,996.07-674,863.41

Finding the Fourth Proportional to 1,247,823.24, 1,721,996.07 and 674,863.41

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Solution

The fourth proportional to 1,247,823.24, 1,721,996.07 and 674,863.41 is: 931,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,823.24 : 1,721,996.07 = 674,863.41 : x
  2. Step 2: Convert to fraction form
    1,247,823.24/1,721,996.07 = 674,863.41/x
  3. Step 3: Cross multiply
    1,247,823.24x = 1,721,996.07 × 674,863.41
  4. Step 4: Simplify right side
    1,247,823.24x = 1,162,112,139,806.80
  5. Step 5: Solve for x
    x = 1,162,112,139,806.80/1,247,823.24
  6. Step 6: Final answer
    x = 931,311.51

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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.