Home / 1,718,786.26-2,578,169.14-439,391.70

Finding the Fourth Proportional to 1,718,786.26, 2,578,169.14 and 439,391.70

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Solution

The fourth proportional to 1,718,786.26, 2,578,169.14 and 439,391.70 is: 659,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,786.26 : 2,578,169.14 = 439,391.70 : x
  2. Step 2: Convert to fraction form
    1,718,786.26/2,578,169.14 = 439,391.70/x
  3. Step 3: Cross multiply
    1,718,786.26x = 2,578,169.14 × 439,391.70
  4. Step 4: Simplify right side
    1,718,786.26x = 1,132,826,121,312.14
  5. Step 5: Solve for x
    x = 1,132,826,121,312.14/1,718,786.26
  6. Step 6: Final answer
    x = 659,084.93

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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.