Home / 403,522.94-604,970.66-261,067.23

Finding the Fourth Proportional to 403,522.94, 604,970.66 and 261,067.23

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Solution

The fourth proportional to 403,522.94, 604,970.66 and 261,067.23 is: 391,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,522.94 : 604,970.66 = 261,067.23 : x
  2. Step 2: Convert to fraction form
    403,522.94/604,970.66 = 261,067.23/x
  3. Step 3: Cross multiply
    403,522.94x = 604,970.66 × 261,067.23
  4. Step 4: Simplify right side
    403,522.94x = 157,938,015,090.14
  5. Step 5: Solve for x
    x = 157,938,015,090.14/403,522.94
  6. Step 6: Final answer
    x = 391,397.86

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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.