Home / 998,629.35-1,498,026.47-324,695.31

Finding the Fourth Proportional to 998,629.35, 1,498,026.47 and 324,695.31

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Solution

The fourth proportional to 998,629.35, 1,498,026.47 and 324,695.31 is: 487,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,629.35 : 1,498,026.47 = 324,695.31 : x
  2. Step 2: Convert to fraction form
    998,629.35/1,498,026.47 = 324,695.31/x
  3. Step 3: Cross multiply
    998,629.35x = 1,498,026.47 × 324,695.31
  4. Step 4: Simplify right side
    998,629.35x = 486,402,167,441.38
  5. Step 5: Solve for x
    x = 486,402,167,441.38/998,629.35
  6. Step 6: Final answer
    x = 487,069.77

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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.