Home / 1,216,111.44-1,677,824.64-786,934.56

Finding the Fourth Proportional to 1,216,111.44, 1,677,824.64 and 786,934.56

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Solution

The fourth proportional to 1,216,111.44, 1,677,824.64 and 786,934.56 is: 1,085,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,111.44 : 1,677,824.64 = 786,934.56 : x
  2. Step 2: Convert to fraction form
    1,216,111.44/1,677,824.64 = 786,934.56/x
  3. Step 3: Cross multiply
    1,216,111.44x = 1,677,824.64 × 786,934.56
  4. Step 4: Simplify right side
    1,216,111.44x = 1,320,338,194,835.56
  5. Step 5: Solve for x
    x = 1,320,338,194,835.56/1,216,111.44
  6. Step 6: Final answer
    x = 1,085,704.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.