Home / 397,511.98-596,327.07-131,300.62

Finding the Fourth Proportional to 397,511.98, 596,327.07 and 131,300.62

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Solution

The fourth proportional to 397,511.98, 596,327.07 and 131,300.62 is: 196,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,511.98 : 596,327.07 = 131,300.62 : x
  2. Step 2: Convert to fraction form
    397,511.98/596,327.07 = 131,300.62/x
  3. Step 3: Cross multiply
    397,511.98x = 596,327.07 × 131,300.62
  4. Step 4: Simplify right side
    397,511.98x = 78,298,114,013.78
  5. Step 5: Solve for x
    x = 78,298,114,013.78/397,511.98
  6. Step 6: Final answer
    x = 196,970.45

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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.