Home / 990,451.92-1,486,526.22-982,996.68

Finding the Fourth Proportional to 990,451.92, 1,486,526.22 and 982,996.68

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Solution

The fourth proportional to 990,451.92, 1,486,526.22 and 982,996.68 is: 1,475,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,451.92 : 1,486,526.22 = 982,996.68 : x
  2. Step 2: Convert to fraction form
    990,451.92/1,486,526.22 = 982,996.68/x
  3. Step 3: Cross multiply
    990,451.92x = 1,486,526.22 × 982,996.68
  4. Step 4: Simplify right side
    990,451.92x = 1,461,250,338,992.95
  5. Step 5: Solve for x
    x = 1,461,250,338,992.95/990,451.92
  6. Step 6: Final answer
    x = 1,475,336.97

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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.