Home / 788,488.56-1,088,114.64-425,912.41

Finding the Fourth Proportional to 788,488.56, 1,088,114.64 and 425,912.41

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Solution

The fourth proportional to 788,488.56, 1,088,114.64 and 425,912.41 is: 587,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,488.56 : 1,088,114.64 = 425,912.41 : x
  2. Step 2: Convert to fraction form
    788,488.56/1,088,114.64 = 425,912.41/x
  3. Step 3: Cross multiply
    788,488.56x = 1,088,114.64 × 425,912.41
  4. Step 4: Simplify right side
    788,488.56x = 463,441,530,481.87
  5. Step 5: Solve for x
    x = 463,441,530,481.87/788,488.56
  6. Step 6: Final answer
    x = 587,759.36

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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.