Home / 1,191,879.91-1,644,826.53-648,052.21

Finding the Fourth Proportional to 1,191,879.91, 1,644,826.53 and 648,052.21

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Solution

The fourth proportional to 1,191,879.91, 1,644,826.53 and 648,052.21 is: 894,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,879.91 : 1,644,826.53 = 648,052.21 : x
  2. Step 2: Convert to fraction form
    1,191,879.91/1,644,826.53 = 648,052.21/x
  3. Step 3: Cross multiply
    1,191,879.91x = 1,644,826.53 × 648,052.21
  4. Step 4: Simplify right side
    1,191,879.91x = 1,065,933,467,833.13
  5. Step 5: Solve for x
    x = 1,065,933,467,833.13/1,191,879.91
  6. Step 6: Final answer
    x = 894,329.59

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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.