Home / 823,025.28-1,135,766.52-455,503.14

Finding the Fourth Proportional to 823,025.28, 1,135,766.52 and 455,503.14

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Solution

The fourth proportional to 823,025.28, 1,135,766.52 and 455,503.14 is: 628,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,025.28 : 1,135,766.52 = 455,503.14 : x
  2. Step 2: Convert to fraction form
    823,025.28/1,135,766.52 = 455,503.14/x
  3. Step 3: Cross multiply
    823,025.28x = 1,135,766.52 × 455,503.14
  4. Step 4: Simplify right side
    823,025.28x = 517,345,216,166.87
  5. Step 5: Solve for x
    x = 517,345,216,166.87/823,025.28
  6. Step 6: Final answer
    x = 628,589.70

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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.