Home / 1,247,745.14-1,721,893.46-674,785.32

Finding the Fourth Proportional to 1,247,745.14, 1,721,893.46 and 674,785.32

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Solution

The fourth proportional to 1,247,745.14, 1,721,893.46 and 674,785.32 is: 931,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,745.14 : 1,721,893.46 = 674,785.32 : x
  2. Step 2: Convert to fraction form
    1,247,745.14/1,721,893.46 = 674,785.32/x
  3. Step 3: Cross multiply
    1,247,745.14x = 1,721,893.46 × 674,785.32
  4. Step 4: Simplify right side
    1,247,745.14x = 1,161,908,429,412.01
  5. Step 5: Solve for x
    x = 1,161,908,429,412.01/1,247,745.14
  6. Step 6: Final answer
    x = 931,206.54

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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.