Home / 629,738.25-869,025.87-343,255.83

Finding the Fourth Proportional to 629,738.25, 869,025.87 and 343,255.83

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Solution

The fourth proportional to 629,738.25, 869,025.87 and 343,255.83 is: 473,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,738.25 : 869,025.87 = 343,255.83 : x
  2. Step 2: Convert to fraction form
    629,738.25/869,025.87 = 343,255.83/x
  3. Step 3: Cross multiply
    629,738.25x = 869,025.87 × 343,255.83
  4. Step 4: Simplify right side
    629,738.25x = 298,298,196,298.32
  5. Step 5: Solve for x
    x = 298,298,196,298.32/629,738.25
  6. Step 6: Final answer
    x = 473,686.01

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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.