Home / 1,498,769.84-2,068,289.16-819,711.20

Finding the Fourth Proportional to 1,498,769.84, 2,068,289.16 and 819,711.20

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Solution

The fourth proportional to 1,498,769.84, 2,068,289.16 and 819,711.20 is: 1,131,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,769.84 : 2,068,289.16 = 819,711.20 : x
  2. Step 2: Convert to fraction form
    1,498,769.84/2,068,289.16 = 819,711.20/x
  3. Step 3: Cross multiply
    1,498,769.84x = 2,068,289.16 × 819,711.20
  4. Step 4: Simplify right side
    1,498,769.84x = 1,695,399,789,290.59
  5. Step 5: Solve for x
    x = 1,695,399,789,290.59/1,498,769.84
  6. Step 6: Final answer
    x = 1,131,194.23

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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.