Home / 833,118.16-1,149,702.78-451,144.84

Finding the Fourth Proportional to 833,118.16, 1,149,702.78 and 451,144.84

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Solution

The fourth proportional to 833,118.16, 1,149,702.78 and 451,144.84 is: 622,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,118.16 : 1,149,702.78 = 451,144.84 : x
  2. Step 2: Convert to fraction form
    833,118.16/1,149,702.78 = 451,144.84/x
  3. Step 3: Cross multiply
    833,118.16x = 1,149,702.78 × 451,144.84
  4. Step 4: Simplify right side
    833,118.16x = 518,682,476,730.66
  5. Step 5: Solve for x
    x = 518,682,476,730.66/833,118.16
  6. Step 6: Final answer
    x = 622,579.73

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Double scale
Find fourth proportional to 833,119.16, 1,149,704.16 and 451,145.84
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.