Home / 823,651.40-1,236,276.07-397,487.16

Finding the Fourth Proportional to 823,651.40, 1,236,276.07 and 397,487.16

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Solution

The fourth proportional to 823,651.40, 1,236,276.07 and 397,487.16 is: 596,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,651.40 : 1,236,276.07 = 397,487.16 : x
  2. Step 2: Convert to fraction form
    823,651.40/1,236,276.07 = 397,487.16/x
  3. Step 3: Cross multiply
    823,651.40x = 1,236,276.07 × 397,487.16
  4. Step 4: Simplify right side
    823,651.40x = 491,403,864,040.26
  5. Step 5: Solve for x
    x = 491,403,864,040.26/823,651.40
  6. Step 6: Final answer
    x = 596,616.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.