Home / 1,277,071.06-1,914,313.02-828,076.72

Finding the Fourth Proportional to 1,277,071.06, 1,914,313.02 and 828,076.72

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Solution

The fourth proportional to 1,277,071.06, 1,914,313.02 and 828,076.72 is: 1,241,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,071.06 : 1,914,313.02 = 828,076.72 : x
  2. Step 2: Convert to fraction form
    1,277,071.06/1,914,313.02 = 828,076.72/x
  3. Step 3: Cross multiply
    1,277,071.06x = 1,914,313.02 × 828,076.72
  4. Step 4: Simplify right side
    1,277,071.06x = 1,585,198,046,654.89
  5. Step 5: Solve for x
    x = 1,585,198,046,654.89/1,277,071.06
  6. Step 6: Final answer
    x = 1,241,276.31

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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.