Home / 1,266,515.11-1,899,760.78-547,365.25

Finding the Fourth Proportional to 1,266,515.11, 1,899,760.78 and 547,365.25

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Solution

The fourth proportional to 1,266,515.11, 1,899,760.78 and 547,365.25 is: 821,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,515.11 : 1,899,760.78 = 547,365.25 : x
  2. Step 2: Convert to fraction form
    1,266,515.11/1,899,760.78 = 547,365.25/x
  3. Step 3: Cross multiply
    1,266,515.11x = 1,899,760.78 × 547,365.25
  4. Step 4: Simplify right side
    1,266,515.11x = 1,039,863,034,284.90
  5. Step 5: Solve for x
    x = 1,039,863,034,284.90/1,266,515.11
  6. Step 6: Final answer
    x = 821,042.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.