Home / 641,947.80-962,557.20-242,601.60

Finding the Fourth Proportional to 641,947.80, 962,557.20 and 242,601.60

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Solution

The fourth proportional to 641,947.80, 962,557.20 and 242,601.60 is: 363,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,947.80 : 962,557.20 = 242,601.60 : x
  2. Step 2: Convert to fraction form
    641,947.80/962,557.20 = 242,601.60/x
  3. Step 3: Cross multiply
    641,947.80x = 962,557.20 × 242,601.60
  4. Step 4: Simplify right side
    641,947.80x = 233,517,916,811.52
  5. Step 5: Solve for x
    x = 233,517,916,811.52/641,947.80
  6. Step 6: Final answer
    x = 363,764.65

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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.