Home / 941,051.25-1,298,656.80-511,331.27

Finding the Fourth Proportional to 941,051.25, 1,298,656.80 and 511,331.27

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Solution

The fourth proportional to 941,051.25, 1,298,656.80 and 511,331.27 is: 705,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,051.25 : 1,298,656.80 = 511,331.27 : x
  2. Step 2: Convert to fraction form
    941,051.25/1,298,656.80 = 511,331.27/x
  3. Step 3: Cross multiply
    941,051.25x = 1,298,656.80 × 511,331.27
  4. Step 4: Simplify right side
    941,051.25x = 664,043,824,344.85
  5. Step 5: Solve for x
    x = 664,043,824,344.85/941,051.25
  6. Step 6: Final answer
    x = 705,640.45

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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.