Home / 1,388,530.80-2,082,387.96-589,806

Finding the Fourth Proportional to 1,388,530.80, 2,082,387.96 and 589,806

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Solution

The fourth proportional to 1,388,530.80, 2,082,387.96 and 589,806 is: 884,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,530.80 : 2,082,387.96 = 589,806 : x
  2. Step 2: Convert to fraction form
    1,388,530.80/2,082,387.96 = 589,806/x
  3. Step 3: Cross multiply
    1,388,530.80x = 2,082,387.96 × 589,806
  4. Step 4: Simplify right side
    1,388,530.80x = 1,228,204,913,135.76
  5. Step 5: Solve for x
    x = 1,228,204,913,135.76/1,388,530.80
  6. Step 6: Final answer
    x = 884,535.59

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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.