Home / 836,940.60-1,154,964.42-454,977

Finding the Fourth Proportional to 836,940.60, 1,154,964.42 and 454,977

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Solution

The fourth proportional to 836,940.60, 1,154,964.42 and 454,977 is: 627,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,940.60 : 1,154,964.42 = 454,977 : x
  2. Step 2: Convert to fraction form
    836,940.60/1,154,964.42 = 454,977/x
  3. Step 3: Cross multiply
    836,940.60x = 1,154,964.42 × 454,977
  4. Step 4: Simplify right side
    836,940.60x = 525,482,246,918.34
  5. Step 5: Solve for x
    x = 525,482,246,918.34/836,940.60
  6. Step 6: Final answer
    x = 627,860.86

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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.