Home / 783,984.11-1,082,361.86-493,844.39

Finding the Fourth Proportional to 783,984.11, 1,082,361.86 and 493,844.39

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Solution

The fourth proportional to 783,984.11, 1,082,361.86 and 493,844.39 is: 681,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,984.11 : 1,082,361.86 = 493,844.39 : x
  2. Step 2: Convert to fraction form
    783,984.11/1,082,361.86 = 493,844.39/x
  3. Step 3: Cross multiply
    783,984.11x = 1,082,361.86 × 493,844.39
  4. Step 4: Simplify right side
    783,984.11x = 534,518,330,041.74
  5. Step 5: Solve for x
    x = 534,518,330,041.74/783,984.11
  6. Step 6: Final answer
    x = 681,797.40

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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.