Home / 1,205,154.27-1,659,920.31-898,247.09

Finding the Fourth Proportional to 1,205,154.27, 1,659,920.31 and 898,247.09

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Solution

The fourth proportional to 1,205,154.27, 1,659,920.31 and 898,247.09 is: 1,237,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,154.27 : 1,659,920.31 = 898,247.09 : x
  2. Step 2: Convert to fraction form
    1,205,154.27/1,659,920.31 = 898,247.09/x
  3. Step 3: Cross multiply
    1,205,154.27x = 1,659,920.31 × 898,247.09
  4. Step 4: Simplify right side
    1,205,154.27x = 1,491,018,592,239.20
  5. Step 5: Solve for x
    x = 1,491,018,592,239.20/1,205,154.27
  6. Step 6: Final answer
    x = 1,237,201.43

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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.