Home / 890,805.14-1,229,022.09-503,583.13

Finding the Fourth Proportional to 890,805.14, 1,229,022.09 and 503,583.13

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Solution

The fourth proportional to 890,805.14, 1,229,022.09 and 503,583.13 is: 694,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,805.14 : 1,229,022.09 = 503,583.13 : x
  2. Step 2: Convert to fraction form
    890,805.14/1,229,022.09 = 503,583.13/x
  3. Step 3: Cross multiply
    890,805.14x = 1,229,022.09 × 503,583.13
  4. Step 4: Simplify right side
    890,805.14x = 618,914,784,128.04
  5. Step 5: Solve for x
    x = 618,914,784,128.04/890,805.14
  6. Step 6: Final answer
    x = 694,781.33

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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.