Home / 434,961.34-652,919.27-345,578.59

Finding the Fourth Proportional to 434,961.34, 652,919.27 and 345,578.59

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Solution

The fourth proportional to 434,961.34, 652,919.27 and 345,578.59 is: 518,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,961.34 : 652,919.27 = 345,578.59 : x
  2. Step 2: Convert to fraction form
    434,961.34/652,919.27 = 345,578.59/x
  3. Step 3: Cross multiply
    434,961.34x = 652,919.27 × 345,578.59
  4. Step 4: Simplify right side
    434,961.34x = 225,634,919,906.23
  5. Step 5: Solve for x
    x = 225,634,919,906.23/434,961.34
  6. Step 6: Final answer
    x = 518,747.07

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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.