Home / 1,257,647.31-1,735,498.85-684,689.49

Finding the Fourth Proportional to 1,257,647.31, 1,735,498.85 and 684,689.49

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Solution

The fourth proportional to 1,257,647.31, 1,735,498.85 and 684,689.49 is: 944,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,647.31 : 1,735,498.85 = 684,689.49 : x
  2. Step 2: Convert to fraction form
    1,257,647.31/1,735,498.85 = 684,689.49/x
  3. Step 3: Cross multiply
    1,257,647.31x = 1,735,498.85 × 684,689.49
  4. Step 4: Simplify right side
    1,257,647.31x = 1,188,277,819,078.64
  5. Step 5: Solve for x
    x = 1,188,277,819,078.64/1,257,647.31
  6. Step 6: Final answer
    x = 944,841.86

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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.