Home / 1,190,969.43-1,786,266.54-989,856.82

Finding the Fourth Proportional to 1,190,969.43, 1,786,266.54 and 989,856.82

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Solution

The fourth proportional to 1,190,969.43, 1,786,266.54 and 989,856.82 is: 1,484,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,969.43 : 1,786,266.54 = 989,856.82 : x
  2. Step 2: Convert to fraction form
    1,190,969.43/1,786,266.54 = 989,856.82/x
  3. Step 3: Cross multiply
    1,190,969.43x = 1,786,266.54 × 989,856.82
  4. Step 4: Simplify right side
    1,190,969.43x = 1,768,148,119,189.64
  5. Step 5: Solve for x
    x = 1,768,148,119,189.64/1,190,969.43
  6. Step 6: Final answer
    x = 1,484,629.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.