Home / 641,966.63-962,947.59-192,685.55

Finding the Fourth Proportional to 641,966.63, 962,947.59 and 192,685.55

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Solution

The fourth proportional to 641,966.63, 962,947.59 and 192,685.55 is: 289,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,966.63 : 962,947.59 = 192,685.55 : x
  2. Step 2: Convert to fraction form
    641,966.63/962,947.59 = 192,685.55/x
  3. Step 3: Cross multiply
    641,966.63x = 962,947.59 × 192,685.55
  4. Step 4: Simplify right side
    641,966.63x = 185,546,086,000.33
  5. Step 5: Solve for x
    x = 185,546,086,000.33/641,966.63
  6. Step 6: Final answer
    x = 289,027.62

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1.5x scale

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.