Home / 528,499.73-792,721.29-186,919.49

Finding the Fourth Proportional to 528,499.73, 792,721.29 and 186,919.49

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Solution

The fourth proportional to 528,499.73, 792,721.29 and 186,919.49 is: 280,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,499.73 : 792,721.29 = 186,919.49 : x
  2. Step 2: Convert to fraction form
    528,499.73/792,721.29 = 186,919.49/x
  3. Step 3: Cross multiply
    528,499.73x = 792,721.29 × 186,919.49
  4. Step 4: Simplify right side
    528,499.73x = 148,175,059,238.94
  5. Step 5: Solve for x
    x = 148,175,059,238.94/528,499.73
  6. Step 6: Final answer
    x = 280,369.22

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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.