Home / 1,245,291.47-1,868,086.84-1,177,190.23

Finding the Fourth Proportional to 1,245,291.47, 1,868,086.84 and 1,177,190.23

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Solution

The fourth proportional to 1,245,291.47, 1,868,086.84 and 1,177,190.23 is: 1,765,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,291.47 : 1,868,086.84 = 1,177,190.23 : x
  2. Step 2: Convert to fraction form
    1,245,291.47/1,868,086.84 = 1,177,190.23/x
  3. Step 3: Cross multiply
    1,245,291.47x = 1,868,086.84 × 1,177,190.23
  4. Step 4: Simplify right side
    1,245,291.47x = 2,199,093,565,399.71
  5. Step 5: Solve for x
    x = 2,199,093,565,399.71/1,245,291.47
  6. Step 6: Final answer
    x = 1,765,926.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.