Home / 662,181.72-913,793.58-386,592.36

Finding the Fourth Proportional to 662,181.72, 913,793.58 and 386,592.36

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Solution

The fourth proportional to 662,181.72, 913,793.58 and 386,592.36 is: 533,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,181.72 : 913,793.58 = 386,592.36 : x
  2. Step 2: Convert to fraction form
    662,181.72/913,793.58 = 386,592.36/x
  3. Step 3: Cross multiply
    662,181.72x = 913,793.58 × 386,592.36
  4. Step 4: Simplify right side
    662,181.72x = 353,265,616,645.05
  5. Step 5: Solve for x
    x = 353,265,616,645.05/662,181.72
  6. Step 6: Final answer
    x = 533,487.42

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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.