Home / 1,326,769.00-1,989,768.65-516,972.80

Finding the Fourth Proportional to 1,326,769.00, 1,989,768.65 and 516,972.80

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Solution

The fourth proportional to 1,326,769.00, 1,989,768.65 and 516,972.80 is: 775,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,769.00 : 1,989,768.65 = 516,972.80 : x
  2. Step 2: Convert to fraction form
    1,326,769.00/1,989,768.65 = 516,972.80/x
  3. Step 3: Cross multiply
    1,326,769.00x = 1,989,768.65 × 516,972.80
  4. Step 4: Simplify right side
    1,326,769.00x = 1,028,656,261,539.83
  5. Step 5: Solve for x
    x = 1,028,656,261,539.83/1,326,769.00
  6. Step 6: Final answer
    x = 775,309.24

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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.