Home / 1,257,825.65-1,735,830.61-684,897.26

Finding the Fourth Proportional to 1,257,825.65, 1,735,830.61 and 684,897.26

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Solution

The fourth proportional to 1,257,825.65, 1,735,830.61 and 684,897.26 is: 945,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,825.65 : 1,735,830.61 = 684,897.26 : x
  2. Step 2: Convert to fraction form
    1,257,825.65/1,735,830.61 = 684,897.26/x
  3. Step 3: Cross multiply
    1,257,825.65x = 1,735,830.61 × 684,897.26
  4. Step 4: Simplify right side
    1,257,825.65x = 1,188,865,618,221.73
  5. Step 5: Solve for x
    x = 1,188,865,618,221.73/1,257,825.65
  6. Step 6: Final answer
    x = 945,175.21

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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.