Home / 1,243,346.09-1,715,747.47-699,504.80

Finding the Fourth Proportional to 1,243,346.09, 1,715,747.47 and 699,504.80

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Solution

The fourth proportional to 1,243,346.09, 1,715,747.47 and 699,504.80 is: 965,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,346.09 : 1,715,747.47 = 699,504.80 : x
  2. Step 2: Convert to fraction form
    1,243,346.09/1,715,747.47 = 699,504.80/x
  3. Step 3: Cross multiply
    1,243,346.09x = 1,715,747.47 × 699,504.80
  4. Step 4: Simplify right side
    1,243,346.09x = 1,200,173,580,525.36
  5. Step 5: Solve for x
    x = 1,200,173,580,525.36/1,243,346.09
  6. Step 6: Final answer
    x = 965,277.16

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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.