Home / 807,634.99-1,114,543.65-445,071.85

Finding the Fourth Proportional to 807,634.99, 1,114,543.65 and 445,071.85

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Solution

The fourth proportional to 807,634.99, 1,114,543.65 and 445,071.85 is: 614,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,634.99 : 1,114,543.65 = 445,071.85 : x
  2. Step 2: Convert to fraction form
    807,634.99/1,114,543.65 = 445,071.85/x
  3. Step 3: Cross multiply
    807,634.99x = 1,114,543.65 × 445,071.85
  4. Step 4: Simplify right side
    807,634.99x = 496,052,004,211.25
  5. Step 5: Solve for x
    x = 496,052,004,211.25/807,634.99
  6. Step 6: Final answer
    x = 614,203.21

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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.