Home / 546,502.12-819,787.74-172,539.88

Finding the Fourth Proportional to 546,502.12, 819,787.74 and 172,539.88

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Solution

The fourth proportional to 546,502.12, 819,787.74 and 172,539.88 is: 258,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,502.12 : 819,787.74 = 172,539.88 : x
  2. Step 2: Convert to fraction form
    546,502.12/819,787.74 = 172,539.88/x
  3. Step 3: Cross multiply
    546,502.12x = 819,787.74 × 172,539.88
  4. Step 4: Simplify right side
    546,502.12x = 141,446,078,285.07
  5. Step 5: Solve for x
    x = 141,446,078,285.07/546,502.12
  6. Step 6: Final answer
    x = 258,820.73

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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.