Home / 641,535.20-962,032.56-192,320.48

Finding the Fourth Proportional to 641,535.20, 962,032.56 and 192,320.48

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Solution

The fourth proportional to 641,535.20, 962,032.56 and 192,320.48 is: 288,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,535.20 : 962,032.56 = 192,320.48 : x
  2. Step 2: Convert to fraction form
    641,535.20/962,032.56 = 192,320.48/x
  3. Step 3: Cross multiply
    641,535.20x = 962,032.56 × 192,320.48
  4. Step 4: Simplify right side
    641,535.20x = 185,018,563,714.83
  5. Step 5: Solve for x
    x = 185,018,563,714.83/641,535.20
  6. Step 6: Final answer
    x = 288,399.71

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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.