Home / 1,941,709.29-2,912,561.43-521,765.39

Finding the Fourth Proportional to 1,941,709.29, 2,912,561.43 and 521,765.39

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Solution

The fourth proportional to 1,941,709.29, 2,912,561.43 and 521,765.39 is: 782,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,709.29 : 2,912,561.43 = 521,765.39 : x
  2. Step 2: Convert to fraction form
    1,941,709.29/2,912,561.43 = 521,765.39/x
  3. Step 3: Cross multiply
    1,941,709.29x = 2,912,561.43 × 521,765.39
  4. Step 4: Simplify right side
    1,941,709.29x = 1,519,673,750,422.91
  5. Step 5: Solve for x
    x = 1,519,673,750,422.91/1,941,709.29
  6. Step 6: Final answer
    x = 782,647.41

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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.