Home / 1,719,076.40-2,576,731.35-864,785.60

Finding the Fourth Proportional to 1,719,076.40, 2,576,731.35 and 864,785.60

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Solution

The fourth proportional to 1,719,076.40, 2,576,731.35 and 864,785.60 is: 1,296,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,076.40 : 2,576,731.35 = 864,785.60 : x
  2. Step 2: Convert to fraction form
    1,719,076.40/2,576,731.35 = 864,785.60/x
  3. Step 3: Cross multiply
    1,719,076.40x = 2,576,731.35 × 864,785.60
  4. Step 4: Simplify right side
    1,719,076.40x = 2,228,320,166,548.56
  5. Step 5: Solve for x
    x = 2,228,320,166,548.56/1,719,076.40
  6. Step 6: Final answer
    x = 1,296,231.03

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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.