Home / 751,255.40-1,036,726.50-411,722.84

Finding the Fourth Proportional to 751,255.40, 1,036,726.50 and 411,722.84

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Solution

The fourth proportional to 751,255.40, 1,036,726.50 and 411,722.84 is: 568,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,255.40 : 1,036,726.50 = 411,722.84 : x
  2. Step 2: Convert to fraction form
    751,255.40/1,036,726.50 = 411,722.84/x
  3. Step 3: Cross multiply
    751,255.40x = 1,036,726.50 × 411,722.84
  4. Step 4: Simplify right side
    751,255.40x = 426,843,978,883.26
  5. Step 5: Solve for x
    x = 426,843,978,883.26/751,255.40
  6. Step 6: Final answer
    x = 568,174.26

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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.