Home / 546,419.12-819,132.53-191,239.38

Finding the Fourth Proportional to 546,419.12, 819,132.53 and 191,239.38

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Solution

The fourth proportional to 546,419.12, 819,132.53 and 191,239.38 is: 286,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,419.12 : 819,132.53 = 191,239.38 : x
  2. Step 2: Convert to fraction form
    546,419.12/819,132.53 = 191,239.38/x
  3. Step 3: Cross multiply
    546,419.12x = 819,132.53 × 191,239.38
  4. Step 4: Simplify right side
    546,419.12x = 156,650,396,218.84
  5. Step 5: Solve for x
    x = 156,650,396,218.84/546,419.12
  6. Step 6: Final answer
    x = 286,685.43

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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.