Home / 2,238,344.80-3,357,517.20-742,436.80

Finding the Fourth Proportional to 2,238,344.80, 3,357,517.20 and 742,436.80

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Solution

The fourth proportional to 2,238,344.80, 3,357,517.20 and 742,436.80 is: 1,113,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,344.80 : 3,357,517.20 = 742,436.80 : x
  2. Step 2: Convert to fraction form
    2,238,344.80/3,357,517.20 = 742,436.80/x
  3. Step 3: Cross multiply
    2,238,344.80x = 3,357,517.20 × 742,436.80
  4. Step 4: Simplify right side
    2,238,344.80x = 2,492,744,325,912.96
  5. Step 5: Solve for x
    x = 2,492,744,325,912.96/2,238,344.80
  6. Step 6: Final answer
    x = 1,113,655.20

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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.