Home / 1,879,812.72-2,819,828.73-531,862.56

Finding the Fourth Proportional to 1,879,812.72, 2,819,828.73 and 531,862.56

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Solution

The fourth proportional to 1,879,812.72, 2,819,828.73 and 531,862.56 is: 797,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,812.72 : 2,819,828.73 = 531,862.56 : x
  2. Step 2: Convert to fraction form
    1,879,812.72/2,819,828.73 = 531,862.56/x
  3. Step 3: Cross multiply
    1,879,812.72x = 2,819,828.73 × 531,862.56
  4. Step 4: Simplify right side
    1,879,812.72x = 1,499,761,327,099.35
  5. Step 5: Solve for x
    x = 1,499,761,327,099.35/1,879,812.72
  6. Step 6: Final answer
    x = 797,824.86

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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.