Home / 930,361.95-1,283,859.70-543,198.85

Finding the Fourth Proportional to 930,361.95, 1,283,859.70 and 543,198.85

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Solution

The fourth proportional to 930,361.95, 1,283,859.70 and 543,198.85 is: 749,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,361.95 : 1,283,859.70 = 543,198.85 : x
  2. Step 2: Convert to fraction form
    930,361.95/1,283,859.70 = 543,198.85/x
  3. Step 3: Cross multiply
    930,361.95x = 1,283,859.70 × 543,198.85
  4. Step 4: Simplify right side
    930,361.95x = 697,391,112,601.35
  5. Step 5: Solve for x
    x = 697,391,112,601.35/930,361.95
  6. Step 6: Final answer
    x = 749,591.18

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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.