Home / 334,560.06-461,662.20-198,570.78

Finding the Fourth Proportional to 334,560.06, 461,662.20 and 198,570.78

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Solution

The fourth proportional to 334,560.06, 461,662.20 and 198,570.78 is: 274,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,560.06 : 461,662.20 = 198,570.78 : x
  2. Step 2: Convert to fraction form
    334,560.06/461,662.20 = 198,570.78/x
  3. Step 3: Cross multiply
    334,560.06x = 461,662.20 × 198,570.78
  4. Step 4: Simplify right side
    334,560.06x = 91,672,623,150.52
  5. Step 5: Solve for x
    x = 91,672,623,150.52/334,560.06
  6. Step 6: Final answer
    x = 274,009.47

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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.