Home / 673,649.24-1,009,879.32-274,623.80

Finding the Fourth Proportional to 673,649.24, 1,009,879.32 and 274,623.80

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Solution

The fourth proportional to 673,649.24, 1,009,879.32 and 274,623.80 is: 411,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,649.24 : 1,009,879.32 = 274,623.80 : x
  2. Step 2: Convert to fraction form
    673,649.24/1,009,879.32 = 274,623.80/x
  3. Step 3: Cross multiply
    673,649.24x = 1,009,879.32 × 274,623.80
  4. Step 4: Simplify right side
    673,649.24x = 277,336,896,399.82
  5. Step 5: Solve for x
    x = 277,336,896,399.82/673,649.24
  6. Step 6: Final answer
    x = 411,693.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.