Home / 377,577.05-520,965.37-222,534.51

Finding the Fourth Proportional to 377,577.05, 520,965.37 and 222,534.51

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Solution

The fourth proportional to 377,577.05, 520,965.37 and 222,534.51 is: 307,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,577.05 : 520,965.37 = 222,534.51 : x
  2. Step 2: Convert to fraction form
    377,577.05/520,965.37 = 222,534.51/x
  3. Step 3: Cross multiply
    377,577.05x = 520,965.37 × 222,534.51
  4. Step 4: Simplify right side
    377,577.05x = 115,932,776,060.11
  5. Step 5: Solve for x
    x = 115,932,776,060.11/377,577.05
  6. Step 6: Final answer
    x = 307,044.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.