Home / 770,819.70-1,156,229.55-713,082.90

Finding the Fourth Proportional to 770,819.70, 1,156,229.55 and 713,082.90

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Solution

The fourth proportional to 770,819.70, 1,156,229.55 and 713,082.90 is: 1,069,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,819.70 : 1,156,229.55 = 713,082.90 : x
  2. Step 2: Convert to fraction form
    770,819.70/1,156,229.55 = 713,082.90/x
  3. Step 3: Cross multiply
    770,819.70x = 1,156,229.55 × 713,082.90
  4. Step 4: Simplify right side
    770,819.70x = 824,487,520,579.70
  5. Step 5: Solve for x
    x = 824,487,520,579.70/770,819.70
  6. Step 6: Final answer
    x = 1,069,624.35

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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.