Home / 1,661,676.77-2,492,515.15-399,504.39

Finding the Fourth Proportional to 1,661,676.77, 2,492,515.15 and 399,504.39

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Solution

The fourth proportional to 1,661,676.77, 2,492,515.15 and 399,504.39 is: 599,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,676.77 : 2,492,515.15 = 399,504.39 : x
  2. Step 2: Convert to fraction form
    1,661,676.77/2,492,515.15 = 399,504.39/x
  3. Step 3: Cross multiply
    1,661,676.77x = 2,492,515.15 × 399,504.39
  4. Step 4: Simplify right side
    1,661,676.77x = 995,770,744,566.51
  5. Step 5: Solve for x
    x = 995,770,744,566.51/1,661,676.77
  6. Step 6: Final answer
    x = 599,256.58

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Double scale
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Similar ratio
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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.