Home / 1,255,045.95-1,731,976.83-682,086.15

Finding the Fourth Proportional to 1,255,045.95, 1,731,976.83 and 682,086.15

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Solution

The fourth proportional to 1,255,045.95, 1,731,976.83 and 682,086.15 is: 941,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,045.95 : 1,731,976.83 = 682,086.15 : x
  2. Step 2: Convert to fraction form
    1,255,045.95/1,731,976.83 = 682,086.15/x
  3. Step 3: Cross multiply
    1,255,045.95x = 1,731,976.83 × 682,086.15
  4. Step 4: Simplify right side
    1,255,045.95x = 1,181,357,407,863.90
  5. Step 5: Solve for x
    x = 1,181,357,407,863.90/1,255,045.95
  6. Step 6: Final answer
    x = 941,286.18

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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.