Home / 990,193.84-1,483,960.32-540,240.44

Finding the Fourth Proportional to 990,193.84, 1,483,960.32 and 540,240.44

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Solution

The fourth proportional to 990,193.84, 1,483,960.32 and 540,240.44 is: 809,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,193.84 : 1,483,960.32 = 540,240.44 : x
  2. Step 2: Convert to fraction form
    990,193.84/1,483,960.32 = 540,240.44/x
  3. Step 3: Cross multiply
    990,193.84x = 1,483,960.32 × 540,240.44
  4. Step 4: Simplify right side
    990,193.84x = 801,695,376,219.34
  5. Step 5: Solve for x
    x = 801,695,376,219.34/990,193.84
  6. Step 6: Final answer
    x = 809,634.78

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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.