Home / 370,744.02-511,606.92-209,589.48

Finding the Fourth Proportional to 370,744.02, 511,606.92 and 209,589.48

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Solution

The fourth proportional to 370,744.02, 511,606.92 and 209,589.48 is: 289,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,744.02 : 511,606.92 = 209,589.48 : x
  2. Step 2: Convert to fraction form
    370,744.02/511,606.92 = 209,589.48/x
  3. Step 3: Cross multiply
    370,744.02x = 511,606.92 × 209,589.48
  4. Step 4: Simplify right side
    370,744.02x = 107,227,428,327.20
  5. Step 5: Solve for x
    x = 107,227,428,327.20/370,744.02
  6. Step 6: Final answer
    x = 289,222.27

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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.