Home / 1,661,685.26-2,492,527.89-399,512.93

Finding the Fourth Proportional to 1,661,685.26, 2,492,527.89 and 399,512.93

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Solution

The fourth proportional to 1,661,685.26, 2,492,527.89 and 399,512.93 is: 599,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,685.26 : 2,492,527.89 = 399,512.93 : x
  2. Step 2: Convert to fraction form
    1,661,685.26/2,492,527.89 = 399,512.93/x
  3. Step 3: Cross multiply
    1,661,685.26x = 2,492,527.89 × 399,512.93
  4. Step 4: Simplify right side
    1,661,685.26x = 995,797,120,440.62
  5. Step 5: Solve for x
    x = 995,797,120,440.62/1,661,685.26
  6. Step 6: Final answer
    x = 599,269.40

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Double scale
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Similar ratio
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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.