Home / 1,292,324.98-1,783,393.81-711,536.24

Finding the Fourth Proportional to 1,292,324.98, 1,783,393.81 and 711,536.24

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Solution

The fourth proportional to 1,292,324.98, 1,783,393.81 and 711,536.24 is: 981,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,324.98 : 1,783,393.81 = 711,536.24 : x
  2. Step 2: Convert to fraction form
    1,292,324.98/1,783,393.81 = 711,536.24/x
  3. Step 3: Cross multiply
    1,292,324.98x = 1,783,393.81 × 711,536.24
  4. Step 4: Simplify right side
    1,292,324.98x = 1,268,949,322,448.99
  5. Step 5: Solve for x
    x = 1,268,949,322,448.99/1,292,324.98
  6. Step 6: Final answer
    x = 981,911.94

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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.