Home / 857,869.59-1,183,849.03-465,396.78

Finding the Fourth Proportional to 857,869.59, 1,183,849.03 and 465,396.78

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Solution

The fourth proportional to 857,869.59, 1,183,849.03 and 465,396.78 is: 642,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,869.59 : 1,183,849.03 = 465,396.78 : x
  2. Step 2: Convert to fraction form
    857,869.59/1,183,849.03 = 465,396.78/x
  3. Step 3: Cross multiply
    857,869.59x = 1,183,849.03 × 465,396.78
  4. Step 4: Simplify right side
    857,869.59x = 550,959,526,568.12
  5. Step 5: Solve for x
    x = 550,959,526,568.12/857,869.59
  6. Step 6: Final answer
    x = 642,241.59

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1.5x scale

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.