Home / 1,397,532.96-1,928,663.82-785,878.20

Finding the Fourth Proportional to 1,397,532.96, 1,928,663.82 and 785,878.20

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Solution

The fourth proportional to 1,397,532.96, 1,928,663.82 and 785,878.20 is: 1,084,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,532.96 : 1,928,663.82 = 785,878.20 : x
  2. Step 2: Convert to fraction form
    1,397,532.96/1,928,663.82 = 785,878.20/x
  3. Step 3: Cross multiply
    1,397,532.96x = 1,928,663.82 × 785,878.20
  4. Step 4: Simplify right side
    1,397,532.96x = 1,515,694,851,266.72
  5. Step 5: Solve for x
    x = 1,515,694,851,266.72/1,397,532.96
  6. Step 6: Final answer
    x = 1,084,550.34

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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.