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Finding the Fourth Proportional to 1,401,434.15, 1,933,978.95 and 756,854.24

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Solution

The fourth proportional to 1,401,434.15, 1,933,978.95 and 756,854.24 is: 1,044,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,434.15 : 1,933,978.95 = 756,854.24 : x
  2. Step 2: Convert to fraction form
    1,401,434.15/1,933,978.95 = 756,854.24/x
  3. Step 3: Cross multiply
    1,401,434.15x = 1,933,978.95 × 756,854.24
  4. Step 4: Simplify right side
    1,401,434.15x = 1,463,740,158,708.35
  5. Step 5: Solve for x
    x = 1,463,740,158,708.35/1,401,434.15
  6. Step 6: Final answer
    x = 1,044,458.75

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