Home / 1,213,673.20-1,821,020.10-652,051.60

Finding the Fourth Proportional to 1,213,673.20, 1,821,020.10 and 652,051.60

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Solution

The fourth proportional to 1,213,673.20, 1,821,020.10 and 652,051.60 is: 978,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,673.20 : 1,821,020.10 = 652,051.60 : x
  2. Step 2: Convert to fraction form
    1,213,673.20/1,821,020.10 = 652,051.60/x
  3. Step 3: Cross multiply
    1,213,673.20x = 1,821,020.10 × 652,051.60
  4. Step 4: Simplify right side
    1,213,673.20x = 1,187,399,069,837.16
  5. Step 5: Solve for x
    x = 1,187,399,069,837.16/1,213,673.20
  6. Step 6: Final answer
    x = 978,351.56

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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.