Home / 1,263,689.92-1,743,903.90-719,817.88

Finding the Fourth Proportional to 1,263,689.92, 1,743,903.90 and 719,817.88

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Solution

The fourth proportional to 1,263,689.92, 1,743,903.90 and 719,817.88 is: 993,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,689.92 : 1,743,903.90 = 719,817.88 : x
  2. Step 2: Convert to fraction form
    1,263,689.92/1,743,903.90 = 719,817.88/x
  3. Step 3: Cross multiply
    1,263,689.92x = 1,743,903.90 × 719,817.88
  4. Step 4: Simplify right side
    1,263,689.92x = 1,255,293,208,221.73
  5. Step 5: Solve for x
    x = 1,255,293,208,221.73/1,263,689.92
  6. Step 6: Final answer
    x = 993,355.40

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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.