Home / 1,277,090.69-1,914,342.46-828,096.35

Finding the Fourth Proportional to 1,277,090.69, 1,914,342.46 and 828,096.35

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Solution

The fourth proportional to 1,277,090.69, 1,914,342.46 and 828,096.35 is: 1,241,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,090.69 : 1,914,342.46 = 828,096.35 : x
  2. Step 2: Convert to fraction form
    1,277,090.69/1,914,342.46 = 828,096.35/x
  3. Step 3: Cross multiply
    1,277,090.69x = 1,914,342.46 × 828,096.35
  4. Step 4: Simplify right side
    1,277,090.69x = 1,585,259,992,134.07
  5. Step 5: Solve for x
    x = 1,585,259,992,134.07/1,277,090.69
  6. Step 6: Final answer
    x = 1,241,305.74

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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.