Home / 1,285,238.44-1,773,598.68-712,266.28

Finding the Fourth Proportional to 1,285,238.44, 1,773,598.68 and 712,266.28

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Solution

The fourth proportional to 1,285,238.44, 1,773,598.68 and 712,266.28 is: 982,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,238.44 : 1,773,598.68 = 712,266.28 : x
  2. Step 2: Convert to fraction form
    1,285,238.44/1,773,598.68 = 712,266.28/x
  3. Step 3: Cross multiply
    1,285,238.44x = 1,773,598.68 × 712,266.28
  4. Step 4: Simplify right side
    1,285,238.44x = 1,263,274,534,016.51
  5. Step 5: Solve for x
    x = 1,263,274,534,016.51/1,285,238.44
  6. Step 6: Final answer
    x = 982,910.64

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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.