Home / 1,206,136.56-1,664,350.65-696,828

Finding the Fourth Proportional to 1,206,136.56, 1,664,350.65 and 696,828

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Solution

The fourth proportional to 1,206,136.56, 1,664,350.65 and 696,828 is: 961,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,136.56 : 1,664,350.65 = 696,828 : x
  2. Step 2: Convert to fraction form
    1,206,136.56/1,664,350.65 = 696,828/x
  3. Step 3: Cross multiply
    1,206,136.56x = 1,664,350.65 × 696,828
  4. Step 4: Simplify right side
    1,206,136.56x = 1,159,766,131,254.06
  5. Step 5: Solve for x
    x = 1,159,766,131,254.06/1,206,136.56
  6. Step 6: Final answer
    x = 961,554.58

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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.