Home / 727,089.93-1,003,381.97-404,791.74

Finding the Fourth Proportional to 727,089.93, 1,003,381.97 and 404,791.74

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Solution

The fourth proportional to 727,089.93, 1,003,381.97 and 404,791.74 is: 558,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,089.93 : 1,003,381.97 = 404,791.74 : x
  2. Step 2: Convert to fraction form
    727,089.93/1,003,381.97 = 404,791.74/x
  3. Step 3: Cross multiply
    727,089.93x = 1,003,381.97 × 404,791.74
  4. Step 4: Simplify right side
    727,089.93x = 406,160,731,496.97
  5. Step 5: Solve for x
    x = 406,160,731,496.97/727,089.93
  6. Step 6: Final answer
    x = 558,611.41

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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.