Home / 807,865.57-1,114,861.91-445,303.34

Finding the Fourth Proportional to 807,865.57, 1,114,861.91 and 445,303.34

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Solution

The fourth proportional to 807,865.57, 1,114,861.91 and 445,303.34 is: 614,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,865.57 : 1,114,861.91 = 445,303.34 : x
  2. Step 2: Convert to fraction form
    807,865.57/1,114,861.91 = 445,303.34/x
  3. Step 3: Cross multiply
    807,865.57x = 1,114,861.91 × 445,303.34
  4. Step 4: Simplify right side
    807,865.57x = 496,451,732,161.78
  5. Step 5: Solve for x
    x = 496,451,732,161.78/807,865.57
  6. Step 6: Final answer
    x = 614,522.70

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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.