Home / 750,076.74-1,124,940.09-217,454.82

Finding the Fourth Proportional to 750,076.74, 1,124,940.09 and 217,454.82

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Solution

The fourth proportional to 750,076.74, 1,124,940.09 and 217,454.82 is: 326,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,076.74 : 1,124,940.09 = 217,454.82 : x
  2. Step 2: Convert to fraction form
    750,076.74/1,124,940.09 = 217,454.82/x
  3. Step 3: Cross multiply
    750,076.74x = 1,124,940.09 × 217,454.82
  4. Step 4: Simplify right side
    750,076.74x = 244,623,644,781.73
  5. Step 5: Solve for x
    x = 244,623,644,781.73/750,076.74
  6. Step 6: Final answer
    x = 326,131.49

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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.