Home / 1,253,080.53-1,729,252.70-680,120.85

Finding the Fourth Proportional to 1,253,080.53, 1,729,252.70 and 680,120.85

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Solution

The fourth proportional to 1,253,080.53, 1,729,252.70 and 680,120.85 is: 938,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,080.53 : 1,729,252.70 = 680,120.85 : x
  2. Step 2: Convert to fraction form
    1,253,080.53/1,729,252.70 = 680,120.85/x
  3. Step 3: Cross multiply
    1,253,080.53x = 1,729,252.70 × 680,120.85
  4. Step 4: Simplify right side
    1,253,080.53x = 1,176,100,821,823.34
  5. Step 5: Solve for x
    x = 1,176,100,821,823.34/1,253,080.53
  6. Step 6: Final answer
    x = 938,567.63

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1.5x scale

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.