Home / 677,296.80-1,015,873.92-277,979.76

Finding the Fourth Proportional to 677,296.80, 1,015,873.92 and 277,979.76

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Solution

The fourth proportional to 677,296.80, 1,015,873.92 and 277,979.76 is: 416,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,296.80 : 1,015,873.92 = 277,979.76 : x
  2. Step 2: Convert to fraction form
    677,296.80/1,015,873.92 = 277,979.76/x
  3. Step 3: Cross multiply
    677,296.80x = 1,015,873.92 × 277,979.76
  4. Step 4: Simplify right side
    677,296.80x = 282,392,388,471.86
  5. Step 5: Solve for x
    x = 282,392,388,471.86/677,296.80
  6. Step 6: Final answer
    x = 416,940.38

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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.