Home / 986,968.83-1,361,940.96-557,291.37

Finding the Fourth Proportional to 986,968.83, 1,361,940.96 and 557,291.37

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Solution

The fourth proportional to 986,968.83, 1,361,940.96 and 557,291.37 is: 769,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,968.83 : 1,361,940.96 = 557,291.37 : x
  2. Step 2: Convert to fraction form
    986,968.83/1,361,940.96 = 557,291.37/x
  3. Step 3: Cross multiply
    986,968.83x = 1,361,940.96 × 557,291.37
  4. Step 4: Simplify right side
    986,968.83x = 758,997,943,457.52
  5. Step 5: Solve for x
    x = 758,997,943,457.52/986,968.83
  6. Step 6: Final answer
    x = 769,019.16

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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.