Home / 397,185.84-548,055.36-235,981.24

Finding the Fourth Proportional to 397,185.84, 548,055.36 and 235,981.24

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Solution

The fourth proportional to 397,185.84, 548,055.36 and 235,981.24 is: 325,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,185.84 : 548,055.36 = 235,981.24 : x
  2. Step 2: Convert to fraction form
    397,185.84/548,055.36 = 235,981.24/x
  3. Step 3: Cross multiply
    397,185.84x = 548,055.36 × 235,981.24
  4. Step 4: Simplify right side
    397,185.84x = 129,330,783,441.45
  5. Step 5: Solve for x
    x = 129,330,783,441.45/397,185.84
  6. Step 6: Final answer
    x = 325,617.81

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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.