Home / 751,193.76-1,036,642.14-411,654.72

Finding the Fourth Proportional to 751,193.76, 1,036,642.14 and 411,654.72

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Solution

The fourth proportional to 751,193.76, 1,036,642.14 and 411,654.72 is: 568,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,193.76 : 1,036,642.14 = 411,654.72 : x
  2. Step 2: Convert to fraction form
    751,193.76/1,036,642.14 = 411,654.72/x
  3. Step 3: Cross multiply
    751,193.76x = 1,036,642.14 × 411,654.72
  4. Step 4: Simplify right side
    751,193.76x = 426,738,629,881.90
  5. Step 5: Solve for x
    x = 426,738,629,881.90/751,193.76
  6. Step 6: Final answer
    x = 568,080.64

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Double scale
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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.