Home / 1,917,652.31-2,875,730.74-718,921.25

Finding the Fourth Proportional to 1,917,652.31, 2,875,730.74 and 718,921.25

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Solution

The fourth proportional to 1,917,652.31, 2,875,730.74 and 718,921.25 is: 1,078,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,652.31 : 2,875,730.74 = 718,921.25 : x
  2. Step 2: Convert to fraction form
    1,917,652.31/2,875,730.74 = 718,921.25/x
  3. Step 3: Cross multiply
    1,917,652.31x = 2,875,730.74 × 718,921.25
  4. Step 4: Simplify right side
    1,917,652.31x = 2,067,423,922,088.27
  5. Step 5: Solve for x
    x = 2,067,423,922,088.27/1,917,652.31
  6. Step 6: Final answer
    x = 1,078,101.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.