Home / 956,844.80-1,320,207.36-616,904

Finding the Fourth Proportional to 956,844.80, 1,320,207.36 and 616,904

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Solution

The fourth proportional to 956,844.80, 1,320,207.36 and 616,904 is: 851,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,844.80 : 1,320,207.36 = 616,904 : x
  2. Step 2: Convert to fraction form
    956,844.80/1,320,207.36 = 616,904/x
  3. Step 3: Cross multiply
    956,844.80x = 1,320,207.36 × 616,904
  4. Step 4: Simplify right side
    956,844.80x = 814,441,201,213.44
  5. Step 5: Solve for x
    x = 814,441,201,213.44/956,844.80
  6. Step 6: Final answer
    x = 851,173.78

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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.