Home / 525,819.09-788,412.74-205,589.45

Finding the Fourth Proportional to 525,819.09, 788,412.74 and 205,589.45

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Solution

The fourth proportional to 525,819.09, 788,412.74 and 205,589.45 is: 308,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,819.09 : 788,412.74 = 205,589.45 : x
  2. Step 2: Convert to fraction form
    525,819.09/788,412.74 = 205,589.45/x
  3. Step 3: Cross multiply
    525,819.09x = 788,412.74 × 205,589.45
  4. Step 4: Simplify right side
    525,819.09x = 162,089,336,619.58
  5. Step 5: Solve for x
    x = 162,089,336,619.58/525,819.09
  6. Step 6: Final answer
    x = 308,260.65

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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.