Home / 1,619,705.25-2,235,193.43-940,685.49

Finding the Fourth Proportional to 1,619,705.25, 2,235,193.43 and 940,685.49

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Solution

The fourth proportional to 1,619,705.25, 2,235,193.43 and 940,685.49 is: 1,298,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,705.25 : 2,235,193.43 = 940,685.49 : x
  2. Step 2: Convert to fraction form
    1,619,705.25/2,235,193.43 = 940,685.49/x
  3. Step 3: Cross multiply
    1,619,705.25x = 2,235,193.43 × 940,685.49
  4. Step 4: Simplify right side
    1,619,705.25x = 2,102,614,022,240.90
  5. Step 5: Solve for x
    x = 2,102,614,022,240.90/1,619,705.25
  6. Step 6: Final answer
    x = 1,298,146.08

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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.