Home / 1,285,211.36-1,773,561.48-712,239.24

Finding the Fourth Proportional to 1,285,211.36, 1,773,561.48 and 712,239.24

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Solution

The fourth proportional to 1,285,211.36, 1,773,561.48 and 712,239.24 is: 982,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,211.36 : 1,773,561.48 = 712,239.24 : x
  2. Step 2: Convert to fraction form
    1,285,211.36/1,773,561.48 = 712,239.24/x
  3. Step 3: Cross multiply
    1,285,211.36x = 1,773,561.48 × 712,239.24
  4. Step 4: Simplify right side
    1,285,211.36x = 1,263,200,080,608.48
  5. Step 5: Solve for x
    x = 1,263,200,080,608.48/1,285,211.36
  6. Step 6: Final answer
    x = 982,873.42

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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.