Home / 1,718,564.80-2,577,847.20-921,403.30

Finding the Fourth Proportional to 1,718,564.80, 2,577,847.20 and 921,403.30

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Solution

The fourth proportional to 1,718,564.80, 2,577,847.20 and 921,403.30 is: 1,382,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,564.80 : 2,577,847.20 = 921,403.30 : x
  2. Step 2: Convert to fraction form
    1,718,564.80/2,577,847.20 = 921,403.30/x
  3. Step 3: Cross multiply
    1,718,564.80x = 2,577,847.20 × 921,403.30
  4. Step 4: Simplify right side
    1,718,564.80x = 2,375,236,916,975.76
  5. Step 5: Solve for x
    x = 2,375,236,916,975.76/1,718,564.80
  6. Step 6: Final answer
    x = 1,382,104.95

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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.