Home / 1,257,934.18-1,735,969.90-684,985.54

Finding the Fourth Proportional to 1,257,934.18, 1,735,969.90 and 684,985.54

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Solution

The fourth proportional to 1,257,934.18, 1,735,969.90 and 684,985.54 is: 945,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,934.18 : 1,735,969.90 = 684,985.54 : x
  2. Step 2: Convert to fraction form
    1,257,934.18/1,735,969.90 = 684,985.54/x
  3. Step 3: Cross multiply
    1,257,934.18x = 1,735,969.90 × 684,985.54
  4. Step 4: Simplify right side
    1,257,934.18x = 1,189,114,279,375.25
  5. Step 5: Solve for x
    x = 1,189,114,279,375.25/1,257,934.18
  6. Step 6: Final answer
    x = 945,291.33

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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.