Home / 546,416.29-819,128.25-191,236.56

Finding the Fourth Proportional to 546,416.29, 819,128.25 and 191,236.56

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Solution

The fourth proportional to 546,416.29, 819,128.25 and 191,236.56 is: 286,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,416.29 : 819,128.25 = 191,236.56 : x
  2. Step 2: Convert to fraction form
    546,416.29/819,128.25 = 191,236.56/x
  3. Step 3: Cross multiply
    546,416.29x = 819,128.25 × 191,236.56
  4. Step 4: Simplify right side
    546,416.29x = 156,647,265,657.09
  5. Step 5: Solve for x
    x = 156,647,265,657.09/546,416.29
  6. Step 6: Final answer
    x = 286,681.18

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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.