Home / 1,257,728.88-1,735,663.23-684,764.04

Finding the Fourth Proportional to 1,257,728.88, 1,735,663.23 and 684,764.04

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Solution

The fourth proportional to 1,257,728.88, 1,735,663.23 and 684,764.04 is: 944,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,728.88 : 1,735,663.23 = 684,764.04 : x
  2. Step 2: Convert to fraction form
    1,257,728.88/1,735,663.23 = 684,764.04/x
  3. Step 3: Cross multiply
    1,257,728.88x = 1,735,663.23 × 684,764.04
  4. Step 4: Simplify right side
    1,257,728.88x = 1,188,519,765,454.25
  5. Step 5: Solve for x
    x = 1,188,519,765,454.25/1,257,728.88
  6. Step 6: Final answer
    x = 944,972.95

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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.