Home / 397,257.40-595,886.10-197,608.60

Finding the Fourth Proportional to 397,257.40, 595,886.10 and 197,608.60

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Solution

The fourth proportional to 397,257.40, 595,886.10 and 197,608.60 is: 296,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,257.40 : 595,886.10 = 197,608.60 : x
  2. Step 2: Convert to fraction form
    397,257.40/595,886.10 = 197,608.60/x
  3. Step 3: Cross multiply
    397,257.40x = 595,886.10 × 197,608.60
  4. Step 4: Simplify right side
    397,257.40x = 117,752,217,980.46
  5. Step 5: Solve for x
    x = 117,752,217,980.46/397,257.40
  6. Step 6: Final answer
    x = 296,412.90

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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.