Home / 1,396,200.27-1,926,546.48-784,235.82

Finding the Fourth Proportional to 1,396,200.27, 1,926,546.48 and 784,235.82

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Solution

The fourth proportional to 1,396,200.27, 1,926,546.48 and 784,235.82 is: 1,082,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,200.27 : 1,926,546.48 = 784,235.82 : x
  2. Step 2: Convert to fraction form
    1,396,200.27/1,926,546.48 = 784,235.82/x
  3. Step 3: Cross multiply
    1,396,200.27x = 1,926,546.48 × 784,235.82
  4. Step 4: Simplify right side
    1,396,200.27x = 1,510,866,758,510.91
  5. Step 5: Solve for x
    x = 1,510,866,758,510.91/1,396,200.27
  6. Step 6: Final answer
    x = 1,082,127.54

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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.