Home / 551,834.57-761,739.81-322,466.42

Finding the Fourth Proportional to 551,834.57, 761,739.81 and 322,466.42

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Solution

The fourth proportional to 551,834.57, 761,739.81 and 322,466.42 is: 445,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,834.57 : 761,739.81 = 322,466.42 : x
  2. Step 2: Convert to fraction form
    551,834.57/761,739.81 = 322,466.42/x
  3. Step 3: Cross multiply
    551,834.57x = 761,739.81 × 322,466.42
  4. Step 4: Simplify right side
    551,834.57x = 245,635,505,693.48
  5. Step 5: Solve for x
    x = 245,635,505,693.48/551,834.57
  6. Step 6: Final answer
    x = 445,125.26

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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.