Home / 827,584.20-1,241,376.30-661,696.20

Finding the Fourth Proportional to 827,584.20, 1,241,376.30 and 661,696.20

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Solution

The fourth proportional to 827,584.20, 1,241,376.30 and 661,696.20 is: 992,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,584.20 : 1,241,376.30 = 661,696.20 : x
  2. Step 2: Convert to fraction form
    827,584.20/1,241,376.30 = 661,696.20/x
  3. Step 3: Cross multiply
    827,584.20x = 1,241,376.30 × 661,696.20
  4. Step 4: Simplify right side
    827,584.20x = 821,413,980,480.06
  5. Step 5: Solve for x
    x = 821,413,980,480.06/827,584.20
  6. Step 6: Final answer
    x = 992,544.30

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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.