Home / 976,825.20-1,465,164.90-408,059.40

Finding the Fourth Proportional to 976,825.20, 1,465,164.90 and 408,059.40

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Solution

The fourth proportional to 976,825.20, 1,465,164.90 and 408,059.40 is: 612,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,825.20 : 1,465,164.90 = 408,059.40 : x
  2. Step 2: Convert to fraction form
    976,825.20/1,465,164.90 = 408,059.40/x
  3. Step 3: Cross multiply
    976,825.20x = 1,465,164.90 × 408,059.40
  4. Step 4: Simplify right side
    976,825.20x = 597,874,309,995.06
  5. Step 5: Solve for x
    x = 597,874,309,995.06/976,825.20
  6. Step 6: Final answer
    x = 612,058.65

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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.