Home / 609,238.09-913,314.64-289,192.51

Finding the Fourth Proportional to 609,238.09, 913,314.64 and 289,192.51

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Solution

The fourth proportional to 609,238.09, 913,314.64 and 289,192.51 is: 433,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,238.09 : 913,314.64 = 289,192.51 : x
  2. Step 2: Convert to fraction form
    609,238.09/913,314.64 = 289,192.51/x
  3. Step 3: Cross multiply
    609,238.09x = 913,314.64 × 289,192.51
  4. Step 4: Simplify right side
    609,238.09x = 264,123,753,161.35
  5. Step 5: Solve for x
    x = 264,123,753,161.35/609,238.09
  6. Step 6: Final answer
    x = 433,531.25

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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.