Home / 386,536.59-533,402.49-214,452.72

Finding the Fourth Proportional to 386,536.59, 533,402.49 and 214,452.72

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Solution

The fourth proportional to 386,536.59, 533,402.49 and 214,452.72 is: 295,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,536.59 : 533,402.49 = 214,452.72 : x
  2. Step 2: Convert to fraction form
    386,536.59/533,402.49 = 214,452.72/x
  3. Step 3: Cross multiply
    386,536.59x = 533,402.49 × 214,452.72
  4. Step 4: Simplify right side
    386,536.59x = 114,389,611,096.00
  5. Step 5: Solve for x
    x = 114,389,611,096.00/386,536.59
  6. Step 6: Final answer
    x = 295,934.76

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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.