Home / 796,695.75-1,195,830.95-422,718.75

Finding the Fourth Proportional to 796,695.75, 1,195,830.95 and 422,718.75

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Solution

The fourth proportional to 796,695.75, 1,195,830.95 and 422,718.75 is: 634,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,695.75 : 1,195,830.95 = 422,718.75 : x
  2. Step 2: Convert to fraction form
    796,695.75/1,195,830.95 = 422,718.75/x
  3. Step 3: Cross multiply
    796,695.75x = 1,195,830.95 × 422,718.75
  4. Step 4: Simplify right side
    796,695.75x = 505,500,162,281.72
  5. Step 5: Solve for x
    x = 505,500,162,281.72/796,695.75
  6. Step 6: Final answer
    x = 634,495.87

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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.