Home / 836,949.60-1,154,976.82-454,986

Finding the Fourth Proportional to 836,949.60, 1,154,976.82 and 454,986

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Solution

The fourth proportional to 836,949.60, 1,154,976.82 and 454,986 is: 627,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,949.60 : 1,154,976.82 = 454,986 : x
  2. Step 2: Convert to fraction form
    836,949.60/1,154,976.82 = 454,986/x
  3. Step 3: Cross multiply
    836,949.60x = 1,154,976.82 × 454,986
  4. Step 4: Simplify right side
    836,949.60x = 525,498,283,424.52
  5. Step 5: Solve for x
    x = 525,498,283,424.52/836,949.60
  6. Step 6: Final answer
    x = 627,873.27

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1.5x scale

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.