Home / 874,642.26-1,312,147.50-495,744.54

Finding the Fourth Proportional to 874,642.26, 1,312,147.50 and 495,744.54

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Solution

The fourth proportional to 874,642.26, 1,312,147.50 and 495,744.54 is: 743,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,642.26 : 1,312,147.50 = 495,744.54 : x
  2. Step 2: Convert to fraction form
    874,642.26/1,312,147.50 = 495,744.54/x
  3. Step 3: Cross multiply
    874,642.26x = 1,312,147.50 × 495,744.54
  4. Step 4: Simplify right side
    874,642.26x = 650,489,958,799.65
  5. Step 5: Solve for x
    x = 650,489,958,799.65/874,642.26
  6. Step 6: Final answer
    x = 743,721.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.