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Finding the Fourth Proportional to 702,989.40, 1,054,484.10 and 463,840.95

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Solution

The fourth proportional to 702,989.40, 1,054,484.10 and 463,840.95 is: 695,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,989.40 : 1,054,484.10 = 463,840.95 : x
  2. Step 2: Convert to fraction form
    702,989.40/1,054,484.10 = 463,840.95/x
  3. Step 3: Cross multiply
    702,989.40x = 1,054,484.10 × 463,840.95
  4. Step 4: Simplify right side
    702,989.40x = 489,112,906,703.90
  5. Step 5: Solve for x
    x = 489,112,906,703.90/702,989.40
  6. Step 6: Final answer
    x = 695,761.43

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