Home / 976,819.70-1,465,156.65-408,053.90

Finding the Fourth Proportional to 976,819.70, 1,465,156.65 and 408,053.90

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Solution

The fourth proportional to 976,819.70, 1,465,156.65 and 408,053.90 is: 612,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,819.70 : 1,465,156.65 = 408,053.90 : x
  2. Step 2: Convert to fraction form
    976,819.70/1,465,156.65 = 408,053.90/x
  3. Step 3: Cross multiply
    976,819.70x = 1,465,156.65 × 408,053.90
  4. Step 4: Simplify right side
    976,819.70x = 597,862,885,143.44
  5. Step 5: Solve for x
    x = 597,862,885,143.44/976,819.70
  6. Step 6: Final answer
    x = 612,050.40

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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.