Home / 432,022.80-647,159.40-244,815.60

Finding the Fourth Proportional to 432,022.80, 647,159.40 and 244,815.60

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Solution

The fourth proportional to 432,022.80, 647,159.40 and 244,815.60 is: 366,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,022.80 : 647,159.40 = 244,815.60 : x
  2. Step 2: Convert to fraction form
    432,022.80/647,159.40 = 244,815.60/x
  3. Step 3: Cross multiply
    432,022.80x = 647,159.40 × 244,815.60
  4. Step 4: Simplify right side
    432,022.80x = 158,434,716,806.64
  5. Step 5: Solve for x
    x = 158,434,716,806.64/432,022.80
  6. Step 6: Final answer
    x = 366,727.67

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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.