Home / 856,776.83-1,283,122.36-496,185.80

Finding the Fourth Proportional to 856,776.83, 1,283,122.36 and 496,185.80

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Solution

The fourth proportional to 856,776.83, 1,283,122.36 and 496,185.80 is: 743,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,776.83 : 1,283,122.36 = 496,185.80 : x
  2. Step 2: Convert to fraction form
    856,776.83/1,283,122.36 = 496,185.80/x
  3. Step 3: Cross multiply
    856,776.83x = 1,283,122.36 × 496,185.80
  4. Step 4: Simplify right side
    856,776.83x = 636,667,099,042.71
  5. Step 5: Solve for x
    x = 636,667,099,042.71/856,776.83
  6. Step 6: Final answer
    x = 743,095.61

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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.