Home / 305,623.80-457,531.74-227,086.20

Finding the Fourth Proportional to 305,623.80, 457,531.74 and 227,086.20

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Solution

The fourth proportional to 305,623.80, 457,531.74 and 227,086.20 is: 339,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,623.80 : 457,531.74 = 227,086.20 : x
  2. Step 2: Convert to fraction form
    305,623.80/457,531.74 = 227,086.20/x
  3. Step 3: Cross multiply
    305,623.80x = 457,531.74 × 227,086.20
  4. Step 4: Simplify right side
    305,623.80x = 103,899,144,215.99
  5. Step 5: Solve for x
    x = 103,899,144,215.99/305,623.80
  6. Step 6: Final answer
    x = 339,957.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.