Home / 2,657,069.31-3,986,236.40-859,952.79

Finding the Fourth Proportional to 2,657,069.31, 3,986,236.40 and 859,952.79

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Solution

The fourth proportional to 2,657,069.31, 3,986,236.40 and 859,952.79 is: 1,290,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,069.31 : 3,986,236.40 = 859,952.79 : x
  2. Step 2: Convert to fraction form
    2,657,069.31/3,986,236.40 = 859,952.79/x
  3. Step 3: Cross multiply
    2,657,069.31x = 3,986,236.40 × 859,952.79
  4. Step 4: Simplify right side
    2,657,069.31x = 3,427,975,109,479.79
  5. Step 5: Solve for x
    x = 3,427,975,109,479.79/2,657,069.31
  6. Step 6: Final answer
    x = 1,290,133.87

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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.