Home / 1,243,628.48-1,716,187.43-699,763.96

Finding the Fourth Proportional to 1,243,628.48, 1,716,187.43 and 699,763.96

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Solution

The fourth proportional to 1,243,628.48, 1,716,187.43 and 699,763.96 is: 965,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,628.48 : 1,716,187.43 = 699,763.96 : x
  2. Step 2: Convert to fraction form
    1,243,628.48/1,716,187.43 = 699,763.96/x
  3. Step 3: Cross multiply
    1,243,628.48x = 1,716,187.43 × 699,763.96
  4. Step 4: Simplify right side
    1,243,628.48x = 1,200,926,103,538.09
  5. Step 5: Solve for x
    x = 1,200,926,103,538.09/1,243,628.48
  6. Step 6: Final answer
    x = 965,663.08

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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.