Home / 1,261,086.93-1,740,338.37-717,300.99

Finding the Fourth Proportional to 1,261,086.93, 1,740,338.37 and 717,300.99

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Solution

The fourth proportional to 1,261,086.93, 1,740,338.37 and 717,300.99 is: 989,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,086.93 : 1,740,338.37 = 717,300.99 : x
  2. Step 2: Convert to fraction form
    1,261,086.93/1,740,338.37 = 717,300.99/x
  3. Step 3: Cross multiply
    1,261,086.93x = 1,740,338.37 × 717,300.99
  4. Step 4: Simplify right side
    1,261,086.93x = 1,248,346,435,735.99
  5. Step 5: Solve for x
    x = 1,248,346,435,735.99/1,261,086.93
  6. Step 6: Final answer
    x = 989,897.21

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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.