Home / 941,221.17-1,298,893.46-511,501.28

Finding the Fourth Proportional to 941,221.17, 1,298,893.46 and 511,501.28

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Solution

The fourth proportional to 941,221.17, 1,298,893.46 and 511,501.28 is: 705,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,221.17 : 1,298,893.46 = 511,501.28 : x
  2. Step 2: Convert to fraction form
    941,221.17/1,298,893.46 = 511,501.28/x
  3. Step 3: Cross multiply
    941,221.17x = 1,298,893.46 × 511,501.28
  4. Step 4: Simplify right side
    941,221.17x = 664,385,658,321.66
  5. Step 5: Solve for x
    x = 664,385,658,321.66/941,221.17
  6. Step 6: Final answer
    x = 705,876.24

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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.