Home / 990,195.84-1,483,963.32-540,242.44

Finding the Fourth Proportional to 990,195.84, 1,483,963.32 and 540,242.44

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Solution

The fourth proportional to 990,195.84, 1,483,963.32 and 540,242.44 is: 809,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,195.84 : 1,483,963.32 = 540,242.44 : x
  2. Step 2: Convert to fraction form
    990,195.84/1,483,963.32 = 540,242.44/x
  3. Step 3: Cross multiply
    990,195.84x = 1,483,963.32 × 540,242.44
  4. Step 4: Simplify right side
    990,195.84x = 801,699,964,867.30
  5. Step 5: Solve for x
    x = 801,699,964,867.30/990,195.84
  6. Step 6: Final answer
    x = 809,637.78

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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.