Home / 1,866,680.80-2,798,052.90-729,003.40

Finding the Fourth Proportional to 1,866,680.80, 2,798,052.90 and 729,003.40

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Solution

The fourth proportional to 1,866,680.80, 2,798,052.90 and 729,003.40 is: 1,092,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,680.80 : 2,798,052.90 = 729,003.40 : x
  2. Step 2: Convert to fraction form
    1,866,680.80/2,798,052.90 = 729,003.40/x
  3. Step 3: Cross multiply
    1,866,680.80x = 2,798,052.90 × 729,003.40
  4. Step 4: Simplify right side
    1,866,680.80x = 2,039,790,077,479.86
  5. Step 5: Solve for x
    x = 2,039,790,077,479.86/1,866,680.80
  6. Step 6: Final answer
    x = 1,092,736.41

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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.