Home / 528,229.49-792,405.86-191,428.79

Finding the Fourth Proportional to 528,229.49, 792,405.86 and 191,428.79

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Solution

The fourth proportional to 528,229.49, 792,405.86 and 191,428.79 is: 287,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,229.49 : 792,405.86 = 191,428.79 : x
  2. Step 2: Convert to fraction form
    528,229.49/792,405.86 = 191,428.79/x
  3. Step 3: Cross multiply
    528,229.49x = 792,405.86 × 191,428.79
  4. Step 4: Simplify right side
    528,229.49x = 151,689,290,049.54
  5. Step 5: Solve for x
    x = 151,689,290,049.54/528,229.49
  6. Step 6: Final answer
    x = 287,165.51

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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.