Home / 1,257,410.54-1,735,265.68-684,488.90

Finding the Fourth Proportional to 1,257,410.54, 1,735,265.68 and 684,488.90

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Solution

The fourth proportional to 1,257,410.54, 1,735,265.68 and 684,488.90 is: 944,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,410.54 : 1,735,265.68 = 684,488.90 : x
  2. Step 2: Convert to fraction form
    1,257,410.54/1,735,265.68 = 684,488.90/x
  3. Step 3: Cross multiply
    1,257,410.54x = 1,735,265.68 × 684,488.90
  4. Step 4: Simplify right side
    1,257,410.54x = 1,187,770,086,123.40
  5. Step 5: Solve for x
    x = 1,187,770,086,123.40/1,257,410.54
  6. Step 6: Final answer
    x = 944,615.98

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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.