Home / 979,791.36-1,469,758.32-410,601.12

Finding the Fourth Proportional to 979,791.36, 1,469,758.32 and 410,601.12

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Solution

The fourth proportional to 979,791.36, 1,469,758.32 and 410,601.12 is: 615,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,791.36 : 1,469,758.32 = 410,601.12 : x
  2. Step 2: Convert to fraction form
    979,791.36/1,469,758.32 = 410,601.12/x
  3. Step 3: Cross multiply
    979,791.36x = 1,469,758.32 × 410,601.12
  4. Step 4: Simplify right side
    979,791.36x = 603,484,412,321.32
  5. Step 5: Solve for x
    x = 603,484,412,321.32/979,791.36
  6. Step 6: Final answer
    x = 615,931.55

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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.