Home / 739,136.40-1,108,704.60-501,190.80

Finding the Fourth Proportional to 739,136.40, 1,108,704.60 and 501,190.80

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Solution

The fourth proportional to 739,136.40, 1,108,704.60 and 501,190.80 is: 751,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,136.40 : 1,108,704.60 = 501,190.80 : x
  2. Step 2: Convert to fraction form
    739,136.40/1,108,704.60 = 501,190.80/x
  3. Step 3: Cross multiply
    739,136.40x = 1,108,704.60 × 501,190.80
  4. Step 4: Simplify right side
    739,136.40x = 555,672,545,437.68
  5. Step 5: Solve for x
    x = 555,672,545,437.68/739,136.40
  6. Step 6: Final answer
    x = 751,786.20

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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.