Home / 1,557,954.08-2,150,335.30-913,581.86

Finding the Fourth Proportional to 1,557,954.08, 2,150,335.30 and 913,581.86

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Solution

The fourth proportional to 1,557,954.08, 2,150,335.30 and 913,581.86 is: 1,260,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,954.08 : 2,150,335.30 = 913,581.86 : x
  2. Step 2: Convert to fraction form
    1,557,954.08/2,150,335.30 = 913,581.86/x
  3. Step 3: Cross multiply
    1,557,954.08x = 2,150,335.30 × 913,581.86
  4. Step 4: Simplify right side
    1,557,954.08x = 1,964,507,322,997.66
  5. Step 5: Solve for x
    x = 1,964,507,322,997.66/1,557,954.08
  6. Step 6: Final answer
    x = 1,260,953.29

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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.