Home / 396,943.42-595,507.40-130,706.26

Finding the Fourth Proportional to 396,943.42, 595,507.40 and 130,706.26

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Solution

The fourth proportional to 396,943.42, 595,507.40 and 130,706.26 is: 196,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,943.42 : 595,507.40 = 130,706.26 : x
  2. Step 2: Convert to fraction form
    396,943.42/595,507.40 = 130,706.26/x
  3. Step 3: Cross multiply
    396,943.42x = 595,507.40 × 130,706.26
  4. Step 4: Simplify right side
    396,943.42x = 77,836,545,056.32
  5. Step 5: Solve for x
    x = 77,836,545,056.32/396,943.42
  6. Step 6: Final answer
    x = 196,089.77

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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.