Home / 736,715.72-1,105,073.84-331,434.51

Finding the Fourth Proportional to 736,715.72, 1,105,073.84 and 331,434.51

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Solution

The fourth proportional to 736,715.72, 1,105,073.84 and 331,434.51 is: 497,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,715.72 : 1,105,073.84 = 331,434.51 : x
  2. Step 2: Convert to fraction form
    736,715.72/1,105,073.84 = 331,434.51/x
  3. Step 3: Cross multiply
    736,715.72x = 1,105,073.84 × 331,434.51
  4. Step 4: Simplify right side
    736,715.72x = 366,259,605,017.05
  5. Step 5: Solve for x
    x = 366,259,605,017.05/736,715.72
  6. Step 6: Final answer
    x = 497,151.88

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