Home / 1,238,015.19-1,707,832.17-808,546.71

Finding the Fourth Proportional to 1,238,015.19, 1,707,832.17 and 808,546.71

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Solution

The fourth proportional to 1,238,015.19, 1,707,832.17 and 808,546.71 is: 1,115,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,015.19 : 1,707,832.17 = 808,546.71 : x
  2. Step 2: Convert to fraction form
    1,238,015.19/1,707,832.17 = 808,546.71/x
  3. Step 3: Cross multiply
    1,238,015.19x = 1,707,832.17 × 808,546.71
  4. Step 4: Simplify right side
    1,238,015.19x = 1,380,862,081,357.51
  5. Step 5: Solve for x
    x = 1,380,862,081,357.51/1,238,015.19
  6. Step 6: Final answer
    x = 1,115,383.80

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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.