Home / 1,284,398.26-1,772,469.72-711,475.54

Finding the Fourth Proportional to 1,284,398.26, 1,772,469.72 and 711,475.54

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Solution

The fourth proportional to 1,284,398.26, 1,772,469.72 and 711,475.54 is: 981,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,398.26 : 1,772,469.72 = 711,475.54 : x
  2. Step 2: Convert to fraction form
    1,284,398.26/1,772,469.72 = 711,475.54/x
  3. Step 3: Cross multiply
    1,284,398.26x = 1,772,469.72 × 711,475.54
  4. Step 4: Simplify right side
    1,284,398.26x = 1,261,068,851,170.65
  5. Step 5: Solve for x
    x = 1,261,068,851,170.65/1,284,398.26
  6. Step 6: Final answer
    x = 981,836.31

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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.