Home / 1,941,709.79-2,912,562.18-521,765.89

Finding the Fourth Proportional to 1,941,709.79, 2,912,562.18 and 521,765.89

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Solution

The fourth proportional to 1,941,709.79, 2,912,562.18 and 521,765.89 is: 782,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,709.79 : 2,912,562.18 = 521,765.89 : x
  2. Step 2: Convert to fraction form
    1,941,709.79/2,912,562.18 = 521,765.89/x
  3. Step 3: Cross multiply
    1,941,709.79x = 2,912,562.18 × 521,765.89
  4. Step 4: Simplify right side
    1,941,709.79x = 1,519,675,598,028.04
  5. Step 5: Solve for x
    x = 1,519,675,598,028.04/1,941,709.79
  6. Step 6: Final answer
    x = 782,648.16

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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.