Home / 1,172,987.56-1,619,455.78-806,096.68

Finding the Fourth Proportional to 1,172,987.56, 1,619,455.78 and 806,096.68

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Solution

The fourth proportional to 1,172,987.56, 1,619,455.78 and 806,096.68 is: 1,112,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,987.56 : 1,619,455.78 = 806,096.68 : x
  2. Step 2: Convert to fraction form
    1,172,987.56/1,619,455.78 = 806,096.68/x
  3. Step 3: Cross multiply
    1,172,987.56x = 1,619,455.78 × 806,096.68
  4. Step 4: Simplify right side
    1,172,987.56x = 1,305,437,927,664.81
  5. Step 5: Solve for x
    x = 1,305,437,927,664.81/1,172,987.56
  6. Step 6: Final answer
    x = 1,112,917.11

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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.