Home / 546,423.05-819,138.35-191,243.32

Finding the Fourth Proportional to 546,423.05, 819,138.35 and 191,243.32

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Solution

The fourth proportional to 546,423.05, 819,138.35 and 191,243.32 is: 286,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,423.05 : 819,138.35 = 191,243.32 : x
  2. Step 2: Convert to fraction form
    546,423.05/819,138.35 = 191,243.32/x
  3. Step 3: Cross multiply
    546,423.05x = 819,138.35 × 191,243.32
  4. Step 4: Simplify right side
    546,423.05x = 156,654,736,023.58
  5. Step 5: Solve for x
    x = 156,654,736,023.58/546,423.05
  6. Step 6: Final answer
    x = 286,691.30

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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.