Home / 494,621.85-741,434.32-194,986.45

Finding the Fourth Proportional to 494,621.85, 741,434.32 and 194,986.45

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Solution

The fourth proportional to 494,621.85, 741,434.32 and 194,986.45 is: 292,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,621.85 : 741,434.32 = 194,986.45 : x
  2. Step 2: Convert to fraction form
    494,621.85/741,434.32 = 194,986.45/x
  3. Step 3: Cross multiply
    494,621.85x = 741,434.32 × 194,986.45
  4. Step 4: Simplify right side
    494,621.85x = 144,569,645,964.96
  5. Step 5: Solve for x
    x = 144,569,645,964.96/494,621.85
  6. Step 6: Final answer
    x = 292,283.18

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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.