Home / 807,700.64-1,114,634.49-445,137.55

Finding the Fourth Proportional to 807,700.64, 1,114,634.49 and 445,137.55

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Solution

The fourth proportional to 807,700.64, 1,114,634.49 and 445,137.55 is: 614,294.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,700.64 : 1,114,634.49 = 445,137.55 : x
  2. Step 2: Convert to fraction form
    807,700.64/1,114,634.49 = 445,137.55/x
  3. Step 3: Cross multiply
    807,700.64x = 1,114,634.49 × 445,137.55
  4. Step 4: Simplify right side
    807,700.64x = 496,165,661,568.25
  5. Step 5: Solve for x
    x = 496,165,661,568.25/807,700.64
  6. Step 6: Final answer
    x = 614,294.01

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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.