Home / 1,410,243.28-2,116,205.40-511,755.12

Finding the Fourth Proportional to 1,410,243.28, 2,116,205.40 and 511,755.12

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Solution

The fourth proportional to 1,410,243.28, 2,116,205.40 and 511,755.12 is: 767,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,243.28 : 2,116,205.40 = 511,755.12 : x
  2. Step 2: Convert to fraction form
    1,410,243.28/2,116,205.40 = 511,755.12/x
  3. Step 3: Cross multiply
    1,410,243.28x = 2,116,205.40 × 511,755.12
  4. Step 4: Simplify right side
    1,410,243.28x = 1,082,978,948,421.65
  5. Step 5: Solve for x
    x = 1,082,978,948,421.65/1,410,243.28
  6. Step 6: Final answer
    x = 767,937.68

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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.