Home / 1,661,685.82-2,492,528.73-399,513.49

Finding the Fourth Proportional to 1,661,685.82, 2,492,528.73 and 399,513.49

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Solution

The fourth proportional to 1,661,685.82, 2,492,528.73 and 399,513.49 is: 599,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,685.82 : 2,492,528.73 = 399,513.49 : x
  2. Step 2: Convert to fraction form
    1,661,685.82/2,492,528.73 = 399,513.49/x
  3. Step 3: Cross multiply
    1,661,685.82x = 2,492,528.73 × 399,513.49
  4. Step 4: Simplify right side
    1,661,685.82x = 995,798,859,577.07
  5. Step 5: Solve for x
    x = 995,798,859,577.07/1,661,685.82
  6. Step 6: Final answer
    x = 599,270.24

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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.