Home / 397,513.74-548,384.67-236,278.38

Finding the Fourth Proportional to 397,513.74, 548,384.67 and 236,278.38

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Solution

The fourth proportional to 397,513.74, 548,384.67 and 236,278.38 is: 325,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,513.74 : 548,384.67 = 236,278.38 : x
  2. Step 2: Convert to fraction form
    397,513.74/548,384.67 = 236,278.38/x
  3. Step 3: Cross multiply
    397,513.74x = 548,384.67 × 236,278.38
  4. Step 4: Simplify right side
    397,513.74x = 129,571,441,444.44
  5. Step 5: Solve for x
    x = 129,571,441,444.44/397,513.74
  6. Step 6: Final answer
    x = 325,954.62

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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.