Home / 1,111,517.85-1,533,874.59-628,072.59

Finding the Fourth Proportional to 1,111,517.85, 1,533,874.59 and 628,072.59

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Solution

The fourth proportional to 1,111,517.85, 1,533,874.59 and 628,072.59 is: 866,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,517.85 : 1,533,874.59 = 628,072.59 : x
  2. Step 2: Convert to fraction form
    1,111,517.85/1,533,874.59 = 628,072.59/x
  3. Step 3: Cross multiply
    1,111,517.85x = 1,533,874.59 × 628,072.59
  4. Step 4: Simplify right side
    1,111,517.85x = 963,384,586,476.49
  5. Step 5: Solve for x
    x = 963,384,586,476.49/1,111,517.85
  6. Step 6: Final answer
    x = 866,728.85

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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.