Home / 755,379.60-1,133,069.40-726,349.20

Finding the Fourth Proportional to 755,379.60, 1,133,069.40 and 726,349.20

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Solution

The fourth proportional to 755,379.60, 1,133,069.40 and 726,349.20 is: 1,089,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,379.60 : 1,133,069.40 = 726,349.20 : x
  2. Step 2: Convert to fraction form
    755,379.60/1,133,069.40 = 726,349.20/x
  3. Step 3: Cross multiply
    755,379.60x = 1,133,069.40 × 726,349.20
  4. Step 4: Simplify right side
    755,379.60x = 823,004,052,234.48
  5. Step 5: Solve for x
    x = 823,004,052,234.48/755,379.60
  6. Step 6: Final answer
    x = 1,089,523.80

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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.