Home / 998,814.43-1,496,477.71-831,410.92

Finding the Fourth Proportional to 998,814.43, 1,496,477.71 and 831,410.92

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Solution

The fourth proportional to 998,814.43, 1,496,477.71 and 831,410.92 is: 1,245,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,814.43 : 1,496,477.71 = 831,410.92 : x
  2. Step 2: Convert to fraction form
    998,814.43/1,496,477.71 = 831,410.92/x
  3. Step 3: Cross multiply
    998,814.43x = 1,496,477.71 × 831,410.92
  4. Step 4: Simplify right side
    998,814.43x = 1,244,187,909,630.59
  5. Step 5: Solve for x
    x = 1,244,187,909,630.59/998,814.43
  6. Step 6: Final answer
    x = 1,245,664.73

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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.