Home / 486,672.20-671,541.26-271,784.86

Finding the Fourth Proportional to 486,672.20, 671,541.26 and 271,784.86

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Solution

The fourth proportional to 486,672.20, 671,541.26 and 271,784.86 is: 375,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,672.20 : 671,541.26 = 271,784.86 : x
  2. Step 2: Convert to fraction form
    486,672.20/671,541.26 = 271,784.86/x
  3. Step 3: Cross multiply
    486,672.20x = 671,541.26 × 271,784.86
  4. Step 4: Simplify right side
    486,672.20x = 182,514,747,333.32
  5. Step 5: Solve for x
    x = 182,514,747,333.32/486,672.20
  6. Step 6: Final answer
    x = 375,026.04

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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.