Home / 589,122.80-881,351.40-511,103.60

Finding the Fourth Proportional to 589,122.80, 881,351.40 and 511,103.60

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Solution

The fourth proportional to 589,122.80, 881,351.40 and 511,103.60 is: 764,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,122.80 : 881,351.40 = 511,103.60 : x
  2. Step 2: Convert to fraction form
    589,122.80/881,351.40 = 511,103.60/x
  3. Step 3: Cross multiply
    589,122.80x = 881,351.40 × 511,103.60
  4. Step 4: Simplify right side
    589,122.80x = 450,461,873,405.04
  5. Step 5: Solve for x
    x = 450,461,873,405.04/589,122.80
  6. Step 6: Final answer
    x = 764,631.54

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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.