Home / 413,933.96-620,363.75-186,061.19

Finding the Fourth Proportional to 413,933.96, 620,363.75 and 186,061.19

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Solution

The fourth proportional to 413,933.96, 620,363.75 and 186,061.19 is: 278,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,933.96 : 620,363.75 = 186,061.19 : x
  2. Step 2: Convert to fraction form
    413,933.96/620,363.75 = 186,061.19/x
  3. Step 3: Cross multiply
    413,933.96x = 620,363.75 × 186,061.19
  4. Step 4: Simplify right side
    413,933.96x = 115,425,613,525.74
  5. Step 5: Solve for x
    x = 115,425,613,525.74/413,933.96
  6. Step 6: Final answer
    x = 278,850.31

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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.