Home / 501,183.19-691,664.30-274,828.69

Finding the Fourth Proportional to 501,183.19, 691,664.30 and 274,828.69

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Solution

The fourth proportional to 501,183.19, 691,664.30 and 274,828.69 is: 379,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,183.19 : 691,664.30 = 274,828.69 : x
  2. Step 2: Convert to fraction form
    501,183.19/691,664.30 = 274,828.69/x
  3. Step 3: Cross multiply
    501,183.19x = 691,664.30 × 274,828.69
  4. Step 4: Simplify right side
    501,183.19x = 190,089,193,488.77
  5. Step 5: Solve for x
    x = 190,089,193,488.77/501,183.19
  6. Step 6: Final answer
    x = 379,280.86

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1.5x scale

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.