Home / 1,257,628.86-1,735,527.33-684,668.88

Finding the Fourth Proportional to 1,257,628.86, 1,735,527.33 and 684,668.88

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Solution

The fourth proportional to 1,257,628.86, 1,735,527.33 and 684,668.88 is: 944,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,628.86 : 1,735,527.33 = 684,668.88 : x
  2. Step 2: Convert to fraction form
    1,257,628.86/1,735,527.33 = 684,668.88/x
  3. Step 3: Cross multiply
    1,257,628.86x = 1,735,527.33 × 684,668.88
  4. Step 4: Simplify right side
    1,257,628.86x = 1,188,261,553,240.49
  5. Step 5: Solve for x
    x = 1,188,261,553,240.49/1,257,628.86
  6. Step 6: Final answer
    x = 944,842.78

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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.