Home / 1,325,072.52-1,828,134.23-866,455.45

Finding the Fourth Proportional to 1,325,072.52, 1,828,134.23 and 866,455.45

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Solution

The fourth proportional to 1,325,072.52, 1,828,134.23 and 866,455.45 is: 1,195,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,072.52 : 1,828,134.23 = 866,455.45 : x
  2. Step 2: Convert to fraction form
    1,325,072.52/1,828,134.23 = 866,455.45/x
  3. Step 3: Cross multiply
    1,325,072.52x = 1,828,134.23 × 866,455.45
  4. Step 4: Simplify right side
    1,325,072.52x = 1,583,996,858,012.44
  5. Step 5: Solve for x
    x = 1,583,996,858,012.44/1,325,072.52
  6. Step 6: Final answer
    x = 1,195,403.90

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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.