Home / 1,242,743.64-1,714,969.89-698,879.28

Finding the Fourth Proportional to 1,242,743.64, 1,714,969.89 and 698,879.28

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Solution

The fourth proportional to 1,242,743.64, 1,714,969.89 and 698,879.28 is: 964,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,743.64 : 1,714,969.89 = 698,879.28 : x
  2. Step 2: Convert to fraction form
    1,242,743.64/1,714,969.89 = 698,879.28/x
  3. Step 3: Cross multiply
    1,242,743.64x = 1,714,969.89 × 698,879.28
  4. Step 4: Simplify right side
    1,242,743.64x = 1,198,556,921,944.88
  5. Step 5: Solve for x
    x = 1,198,556,921,944.88/1,242,743.64
  6. Step 6: Final answer
    x = 964,444.22

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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.