Home / 987,763.61-1,481,645.39-277,791.59

Finding the Fourth Proportional to 987,763.61, 1,481,645.39 and 277,791.59

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Solution

The fourth proportional to 987,763.61, 1,481,645.39 and 277,791.59 is: 416,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,763.61 : 1,481,645.39 = 277,791.59 : x
  2. Step 2: Convert to fraction form
    987,763.61/1,481,645.39 = 277,791.59/x
  3. Step 3: Cross multiply
    987,763.61x = 1,481,645.39 × 277,791.59
  4. Step 4: Simplify right side
    987,763.61x = 411,588,631,019.43
  5. Step 5: Solve for x
    x = 411,588,631,019.43/987,763.61
  6. Step 6: Final answer
    x = 416,687.38

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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.