Home / 1,256,680.80-1,734,227.10-683,725.14

Finding the Fourth Proportional to 1,256,680.80, 1,734,227.10 and 683,725.14

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Solution

The fourth proportional to 1,256,680.80, 1,734,227.10 and 683,725.14 is: 943,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,680.80 : 1,734,227.10 = 683,725.14 : x
  2. Step 2: Convert to fraction form
    1,256,680.80/1,734,227.10 = 683,725.14/x
  3. Step 3: Cross multiply
    1,256,680.80x = 1,734,227.10 × 683,725.14
  4. Step 4: Simplify right side
    1,256,680.80x = 1,185,734,666,739.29
  5. Step 5: Solve for x
    x = 1,185,734,666,739.29/1,256,680.80
  6. Step 6: Final answer
    x = 943,544.83

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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.