Home / 751,001.67-1,036,377.81-406,844.10

Finding the Fourth Proportional to 751,001.67, 1,036,377.81 and 406,844.10

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Solution

The fourth proportional to 751,001.67, 1,036,377.81 and 406,844.10 is: 561,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,001.67 : 1,036,377.81 = 406,844.10 : x
  2. Step 2: Convert to fraction form
    751,001.67/1,036,377.81 = 406,844.10/x
  3. Step 3: Cross multiply
    751,001.67x = 1,036,377.81 × 406,844.10
  4. Step 4: Simplify right side
    751,001.67x = 421,644,197,369.42
  5. Step 5: Solve for x
    x = 421,644,197,369.42/751,001.67
  6. Step 6: Final answer
    x = 561,442.42

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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.