Home / 943,384.88-1,413,890.17-511,085.66

Finding the Fourth Proportional to 943,384.88, 1,413,890.17 and 511,085.66

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Solution

The fourth proportional to 943,384.88, 1,413,890.17 and 511,085.66 is: 765,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,384.88 : 1,413,890.17 = 511,085.66 : x
  2. Step 2: Convert to fraction form
    943,384.88/1,413,890.17 = 511,085.66/x
  3. Step 3: Cross multiply
    943,384.88x = 1,413,890.17 × 511,085.66
  4. Step 4: Simplify right side
    943,384.88x = 722,618,982,354.80
  5. Step 5: Solve for x
    x = 722,618,982,354.80/943,384.88
  6. Step 6: Final answer
    x = 765,985.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.