Home / 1,210,584.82-1,670,553.15-693,968.34

Finding the Fourth Proportional to 1,210,584.82, 1,670,553.15 and 693,968.34

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Solution

The fourth proportional to 1,210,584.82, 1,670,553.15 and 693,968.34 is: 957,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,584.82 : 1,670,553.15 = 693,968.34 : x
  2. Step 2: Convert to fraction form
    1,210,584.82/1,670,553.15 = 693,968.34/x
  3. Step 3: Cross multiply
    1,210,584.82x = 1,670,553.15 × 693,968.34
  4. Step 4: Simplify right side
    1,210,584.82x = 1,159,310,987,520.32
  5. Step 5: Solve for x
    x = 1,159,310,987,520.32/1,210,584.82
  6. Step 6: Final answer
    x = 957,645.40

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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.