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Finding the Fourth Proportional to 1,298,598.30, 1,947,897.45 and 983,670.30

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Solution

The fourth proportional to 1,298,598.30, 1,947,897.45 and 983,670.30 is: 1,475,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,598.30 : 1,947,897.45 = 983,670.30 : x
  2. Step 2: Convert to fraction form
    1,298,598.30/1,947,897.45 = 983,670.30/x
  3. Step 3: Cross multiply
    1,298,598.30x = 1,947,897.45 × 983,670.30
  4. Step 4: Simplify right side
    1,298,598.30x = 1,916,088,869,010.74
  5. Step 5: Solve for x
    x = 1,916,088,869,010.74/1,298,598.30
  6. Step 6: Final answer
    x = 1,475,505.45

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