Home / 427,910.81-590,535.38-236,924.21

Finding the Fourth Proportional to 427,910.81, 590,535.38 and 236,924.21

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Solution

The fourth proportional to 427,910.81, 590,535.38 and 236,924.21 is: 326,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,910.81 : 590,535.38 = 236,924.21 : x
  2. Step 2: Convert to fraction form
    427,910.81/590,535.38 = 236,924.21/x
  3. Step 3: Cross multiply
    427,910.81x = 590,535.38 × 236,924.21
  4. Step 4: Simplify right side
    427,910.81x = 139,912,128,675.27
  5. Step 5: Solve for x
    x = 139,912,128,675.27/427,910.81
  6. Step 6: Final answer
    x = 326,965.63

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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.