Home / 352,721.40-529,427.70-175,428.60

Finding the Fourth Proportional to 352,721.40, 529,427.70 and 175,428.60

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Solution

The fourth proportional to 352,721.40, 529,427.70 and 175,428.60 is: 263,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,721.40 : 529,427.70 = 175,428.60 : x
  2. Step 2: Convert to fraction form
    352,721.40/529,427.70 = 175,428.60/x
  3. Step 3: Cross multiply
    352,721.40x = 529,427.70 × 175,428.60
  4. Step 4: Simplify right side
    352,721.40x = 92,876,760,212.22
  5. Step 5: Solve for x
    x = 92,876,760,212.22/352,721.40
  6. Step 6: Final answer
    x = 263,314.79

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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.