Home / 433,305.21-649,564.14-196,518.72

Finding the Fourth Proportional to 433,305.21, 649,564.14 and 196,518.72

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Solution

The fourth proportional to 433,305.21, 649,564.14 and 196,518.72 is: 294,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,305.21 : 649,564.14 = 196,518.72 : x
  2. Step 2: Convert to fraction form
    433,305.21/649,564.14 = 196,518.72/x
  3. Step 3: Cross multiply
    433,305.21x = 649,564.14 × 196,518.72
  4. Step 4: Simplify right side
    433,305.21x = 127,651,513,350.70
  5. Step 5: Solve for x
    x = 127,651,513,350.70/433,305.21
  6. Step 6: Final answer
    x = 294,599.53

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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.