Home / 1,192,495.50-1,645,643.79-683,493.12

Finding the Fourth Proportional to 1,192,495.50, 1,645,643.79 and 683,493.12

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Solution

The fourth proportional to 1,192,495.50, 1,645,643.79 and 683,493.12 is: 943,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,495.50 : 1,645,643.79 = 683,493.12 : x
  2. Step 2: Convert to fraction form
    1,192,495.50/1,645,643.79 = 683,493.12/x
  3. Step 3: Cross multiply
    1,192,495.50x = 1,645,643.79 × 683,493.12
  4. Step 4: Simplify right side
    1,192,495.50x = 1,124,786,208,435.72
  5. Step 5: Solve for x
    x = 1,124,786,208,435.72/1,192,495.50
  6. Step 6: Final answer
    x = 943,220.51

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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.