Home / 1,189,906.84-1,780,913.33-1,083,536.63

Finding the Fourth Proportional to 1,189,906.84, 1,780,913.33 and 1,083,536.63

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Solution

The fourth proportional to 1,189,906.84, 1,780,913.33 and 1,083,536.63 is: 1,621,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,906.84 : 1,780,913.33 = 1,083,536.63 : x
  2. Step 2: Convert to fraction form
    1,189,906.84/1,780,913.33 = 1,083,536.63/x
  3. Step 3: Cross multiply
    1,189,906.84x = 1,780,913.33 × 1,083,536.63
  4. Step 4: Simplify right side
    1,189,906.84x = 1,929,684,830,424.61
  5. Step 5: Solve for x
    x = 1,929,684,830,424.61/1,189,906.84
  6. Step 6: Final answer
    x = 1,621,710.85

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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.