Home / 537,570.42-741,832.25-305,039.70

Finding the Fourth Proportional to 537,570.42, 741,832.25 and 305,039.70

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Solution

The fourth proportional to 537,570.42, 741,832.25 and 305,039.70 is: 420,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,570.42 : 741,832.25 = 305,039.70 : x
  2. Step 2: Convert to fraction form
    537,570.42/741,832.25 = 305,039.70/x
  3. Step 3: Cross multiply
    537,570.42x = 741,832.25 × 305,039.70
  4. Step 4: Simplify right side
    537,570.42x = 226,288,286,990.33
  5. Step 5: Solve for x
    x = 226,288,286,990.33/537,570.42
  6. Step 6: Final answer
    x = 420,946.31

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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.