Home / 647,661.24-971,556.66-198,376.92

Finding the Fourth Proportional to 647,661.24, 971,556.66 and 198,376.92

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Solution

The fourth proportional to 647,661.24, 971,556.66 and 198,376.92 is: 297,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,661.24 : 971,556.66 = 198,376.92 : x
  2. Step 2: Convert to fraction form
    647,661.24/971,556.66 = 198,376.92/x
  3. Step 3: Cross multiply
    647,661.24x = 971,556.66 × 198,376.92
  4. Step 4: Simplify right side
    647,661.24x = 192,734,417,816.29
  5. Step 5: Solve for x
    x = 192,734,417,816.29/647,661.24
  6. Step 6: Final answer
    x = 297,585.23

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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.