Home / 1,253,042.56-1,729,200.45-680,082.73

Finding the Fourth Proportional to 1,253,042.56, 1,729,200.45 and 680,082.73

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Solution

The fourth proportional to 1,253,042.56, 1,729,200.45 and 680,082.73 is: 938,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,042.56 : 1,729,200.45 = 680,082.73 : x
  2. Step 2: Convert to fraction form
    1,253,042.56/1,729,200.45 = 680,082.73/x
  3. Step 3: Cross multiply
    1,253,042.56x = 1,729,200.45 × 680,082.73
  4. Step 4: Simplify right side
    1,253,042.56x = 1,175,999,370,707.29
  5. Step 5: Solve for x
    x = 1,175,999,370,707.29/1,253,042.56
  6. Step 6: Final answer
    x = 938,515.10

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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.