Home / 454,914.06-627,578.40-263,816.70

Finding the Fourth Proportional to 454,914.06, 627,578.40 and 263,816.70

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Solution

The fourth proportional to 454,914.06, 627,578.40 and 263,816.70 is: 363,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,914.06 : 627,578.40 = 263,816.70 : x
  2. Step 2: Convert to fraction form
    454,914.06/627,578.40 = 263,816.70/x
  3. Step 3: Cross multiply
    454,914.06x = 627,578.40 × 263,816.70
  4. Step 4: Simplify right side
    454,914.06x = 165,565,662,479.28
  5. Step 5: Solve for x
    x = 165,565,662,479.28/454,914.06
  6. Step 6: Final answer
    x = 363,949.32

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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.