Home / 844,570.50-1,266,855.42-339,131.32

Finding the Fourth Proportional to 844,570.50, 1,266,855.42 and 339,131.32

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Solution

The fourth proportional to 844,570.50, 1,266,855.42 and 339,131.32 is: 508,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,570.50 : 1,266,855.42 = 339,131.32 : x
  2. Step 2: Convert to fraction form
    844,570.50/1,266,855.42 = 339,131.32/x
  3. Step 3: Cross multiply
    844,570.50x = 1,266,855.42 × 339,131.32
  4. Step 4: Simplify right side
    844,570.50x = 429,630,350,833.75
  5. Step 5: Solve for x
    x = 429,630,350,833.75/844,570.50
  6. Step 6: Final answer
    x = 508,696.85

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Half scale
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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.