Home / 624,120.51-861,310.73-365,961.57

Finding the Fourth Proportional to 624,120.51, 861,310.73 and 365,961.57

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Solution

The fourth proportional to 624,120.51, 861,310.73 and 365,961.57 is: 505,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,120.51 : 861,310.73 = 365,961.57 : x
  2. Step 2: Convert to fraction form
    624,120.51/861,310.73 = 365,961.57/x
  3. Step 3: Cross multiply
    624,120.51x = 861,310.73 × 365,961.57
  4. Step 4: Simplify right side
    624,120.51x = 315,206,627,008.65
  5. Step 5: Solve for x
    x = 315,206,627,008.65/624,120.51
  6. Step 6: Final answer
    x = 505,041.29

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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.