Home / 941,132.49-1,298,761.84-511,411.59

Finding the Fourth Proportional to 941,132.49, 1,298,761.84 and 511,411.59

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Solution

The fourth proportional to 941,132.49, 1,298,761.84 and 511,411.59 is: 705,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,132.49 : 1,298,761.84 = 511,411.59 : x
  2. Step 2: Convert to fraction form
    941,132.49/1,298,761.84 = 511,411.59/x
  3. Step 3: Cross multiply
    941,132.49x = 1,298,761.84 × 511,411.59
  4. Step 4: Simplify right side
    941,132.49x = 664,201,857,625.73
  5. Step 5: Solve for x
    x = 664,201,857,625.73/941,132.49
  6. Step 6: Final answer
    x = 705,747.45

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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.