Home / 427,809.08-590,380.91-236,818.37

Finding the Fourth Proportional to 427,809.08, 590,380.91 and 236,818.37

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Solution

The fourth proportional to 427,809.08, 590,380.91 and 236,818.37 is: 326,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,809.08 : 590,380.91 = 236,818.37 : x
  2. Step 2: Convert to fraction form
    427,809.08/590,380.91 = 236,818.37/x
  3. Step 3: Cross multiply
    427,809.08x = 590,380.91 × 236,818.37
  4. Step 4: Simplify right side
    427,809.08x = 139,813,040,649.32
  5. Step 5: Solve for x
    x = 139,813,040,649.32/427,809.08
  6. Step 6: Final answer
    x = 326,811.77

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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.