Home / 807,136.25-1,113,855.50-444,572.96

Finding the Fourth Proportional to 807,136.25, 1,113,855.50 and 444,572.96

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Solution

The fourth proportional to 807,136.25, 1,113,855.50 and 444,572.96 is: 613,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,136.25 : 1,113,855.50 = 444,572.96 : x
  2. Step 2: Convert to fraction form
    807,136.25/1,113,855.50 = 444,572.96/x
  3. Step 3: Cross multiply
    807,136.25x = 1,113,855.50 × 444,572.96
  4. Step 4: Simplify right side
    807,136.25x = 495,190,032,189.44
  5. Step 5: Solve for x
    x = 495,190,032,189.44/807,136.25
  6. Step 6: Final answer
    x = 613,514.80

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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.