Home / 712,106.79-1,067,883.36-256,576.56

Finding the Fourth Proportional to 712,106.79, 1,067,883.36 and 256,576.56

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Solution

The fourth proportional to 712,106.79, 1,067,883.36 and 256,576.56 is: 384,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,106.79 : 1,067,883.36 = 256,576.56 : x
  2. Step 2: Convert to fraction form
    712,106.79/1,067,883.36 = 256,576.56/x
  3. Step 3: Cross multiply
    712,106.79x = 1,067,883.36 × 256,576.56
  4. Step 4: Simplify right side
    712,106.79x = 273,993,838,990.04
  5. Step 5: Solve for x
    x = 273,993,838,990.04/712,106.79
  6. Step 6: Final answer
    x = 384,765.10

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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.