Home / 1,581,589.69-2,182,604.14-856,437.44

Finding the Fourth Proportional to 1,581,589.69, 2,182,604.14 and 856,437.44

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Solution

The fourth proportional to 1,581,589.69, 2,182,604.14 and 856,437.44 is: 1,181,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,589.69 : 2,182,604.14 = 856,437.44 : x
  2. Step 2: Convert to fraction form
    1,581,589.69/2,182,604.14 = 856,437.44/x
  3. Step 3: Cross multiply
    1,581,589.69x = 2,182,604.14 × 856,437.44
  4. Step 4: Simplify right side
    1,581,589.69x = 1,869,263,911,972.57
  5. Step 5: Solve for x
    x = 1,869,263,911,972.57/1,581,589.69
  6. Step 6: Final answer
    x = 1,181,889.29

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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.