Home / 1,219,860-1,683,410.73-676,004.73

Finding the Fourth Proportional to 1,219,860, 1,683,410.73 and 676,004.73

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Solution

The fourth proportional to 1,219,860, 1,683,410.73 and 676,004.73 is: 932,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,860 : 1,683,410.73 = 676,004.73 : x
  2. Step 2: Convert to fraction form
    1,219,860/1,683,410.73 = 676,004.73/x
  3. Step 3: Cross multiply
    1,219,860x = 1,683,410.73 × 676,004.73
  4. Step 4: Simplify right side
    1,219,860x = 1,137,993,616,012.75
  5. Step 5: Solve for x
    x = 1,137,993,616,012.75/1,219,860
  6. Step 6: Final answer
    x = 932,888.71

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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.