Home / 385,532.30-532,034.51-215,766.43

Finding the Fourth Proportional to 385,532.30, 532,034.51 and 215,766.43

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Solution

The fourth proportional to 385,532.30, 532,034.51 and 215,766.43 is: 297,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,532.30 : 532,034.51 = 215,766.43 : x
  2. Step 2: Convert to fraction form
    385,532.30/532,034.51 = 215,766.43/x
  3. Step 3: Cross multiply
    385,532.30x = 532,034.51 × 215,766.43
  4. Step 4: Simplify right side
    385,532.30x = 114,795,184,450.58
  5. Step 5: Solve for x
    x = 114,795,184,450.58/385,532.30
  6. Step 6: Final answer
    x = 297,757.63

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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.