Home / 1,257,408.91-1,735,263.44-684,487.27

Finding the Fourth Proportional to 1,257,408.91, 1,735,263.44 and 684,487.27

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Solution

The fourth proportional to 1,257,408.91, 1,735,263.44 and 684,487.27 is: 944,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,408.91 : 1,735,263.44 = 684,487.27 : x
  2. Step 2: Convert to fraction form
    1,257,408.91/1,735,263.44 = 684,487.27/x
  3. Step 3: Cross multiply
    1,257,408.91x = 1,735,263.44 × 684,487.27
  4. Step 4: Simplify right side
    1,257,408.91x = 1,187,765,734,776.41
  5. Step 5: Solve for x
    x = 1,187,765,734,776.41/1,257,408.91
  6. Step 6: Final answer
    x = 944,613.74

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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.