Home / 1,277,105.06-1,914,364.02-828,110.72

Finding the Fourth Proportional to 1,277,105.06, 1,914,364.02 and 828,110.72

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Solution

The fourth proportional to 1,277,105.06, 1,914,364.02 and 828,110.72 is: 1,241,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,105.06 : 1,914,364.02 = 828,110.72 : x
  2. Step 2: Convert to fraction form
    1,277,105.06/1,914,364.02 = 828,110.72/x
  3. Step 3: Cross multiply
    1,277,105.06x = 1,914,364.02 × 828,110.72
  4. Step 4: Simplify right side
    1,277,105.06x = 1,585,305,366,944.29
  5. Step 5: Solve for x
    x = 1,585,305,366,944.29/1,277,105.06
  6. Step 6: Final answer
    x = 1,241,327.29

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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.