Home / 800,646.75-1,104,893.33-461,115.81

Finding the Fourth Proportional to 800,646.75, 1,104,893.33 and 461,115.81

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Solution

The fourth proportional to 800,646.75, 1,104,893.33 and 461,115.81 is: 636,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,646.75 : 1,104,893.33 = 461,115.81 : x
  2. Step 2: Convert to fraction form
    800,646.75/1,104,893.33 = 461,115.81/x
  3. Step 3: Cross multiply
    800,646.75x = 1,104,893.33 × 461,115.81
  4. Step 4: Simplify right side
    800,646.75x = 509,483,780,520.97
  5. Step 5: Solve for x
    x = 509,483,780,520.97/800,646.75
  6. Step 6: Final answer
    x = 636,340.28

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Double scale
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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.