Home / 813,621.24-1,122,794.22-455,925.24

Finding the Fourth Proportional to 813,621.24, 1,122,794.22 and 455,925.24

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Solution

The fourth proportional to 813,621.24, 1,122,794.22 and 455,925.24 is: 629,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,621.24 : 1,122,794.22 = 455,925.24 : x
  2. Step 2: Convert to fraction form
    813,621.24/1,122,794.22 = 455,925.24/x
  3. Step 3: Cross multiply
    813,621.24x = 1,122,794.22 × 455,925.24
  4. Step 4: Simplify right side
    813,621.24x = 511,910,224,224.11
  5. Step 5: Solve for x
    x = 511,910,224,224.11/813,621.24
  6. Step 6: Final answer
    x = 629,175.10

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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.