Home / 836,942.60-1,154,967.18-454,979

Finding the Fourth Proportional to 836,942.60, 1,154,967.18 and 454,979

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Solution

The fourth proportional to 836,942.60, 1,154,967.18 and 454,979 is: 627,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,942.60 : 1,154,967.18 = 454,979 : x
  2. Step 2: Convert to fraction form
    836,942.60/1,154,967.18 = 454,979/x
  3. Step 3: Cross multiply
    836,942.60x = 1,154,967.18 × 454,979
  4. Step 4: Simplify right side
    836,942.60x = 525,485,812,589.22
  5. Step 5: Solve for x
    x = 525,485,812,589.22/836,942.60
  6. Step 6: Final answer
    x = 627,863.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.