Home / 515,522.33-772,972.86-231,161.41

Finding the Fourth Proportional to 515,522.33, 772,972.86 and 231,161.41

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Solution

The fourth proportional to 515,522.33, 772,972.86 and 231,161.41 is: 346,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,522.33 : 772,972.86 = 231,161.41 : x
  2. Step 2: Convert to fraction form
    515,522.33/772,972.86 = 231,161.41/x
  3. Step 3: Cross multiply
    515,522.33x = 772,972.86 × 231,161.41
  4. Step 4: Simplify right side
    515,522.33x = 178,681,492,344.47
  5. Step 5: Solve for x
    x = 178,681,492,344.47/515,522.33
  6. Step 6: Final answer
    x = 346,602.82

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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.