Home / 1,179,906.85-1,628,320.02-663,684.74

Finding the Fourth Proportional to 1,179,906.85, 1,628,320.02 and 663,684.74

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Solution

The fourth proportional to 1,179,906.85, 1,628,320.02 and 663,684.74 is: 915,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,906.85 : 1,628,320.02 = 663,684.74 : x
  2. Step 2: Convert to fraction form
    1,179,906.85/1,628,320.02 = 663,684.74/x
  3. Step 3: Cross multiply
    1,179,906.85x = 1,628,320.02 × 663,684.74
  4. Step 4: Simplify right side
    1,179,906.85x = 1,080,691,144,586.28
  5. Step 5: Solve for x
    x = 1,080,691,144,586.28/1,179,906.85
  6. Step 6: Final answer
    x = 915,912.25

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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.